Root · 32 in the Quran · 21 in 9 texts of the library
بررtruthfulness/sincerity, extended to obedience and dutifulness, with two other senses in … (root brr)
الباء والراء في المضاعف أربعة أصول الصدق وحكاية صوت وخلاف البحر ونبت فأما الصدق فقولهم صدق فلان وبر وبرت يمينه صدقت …
Ibn Fāris, Maqāyīs al-lugha · English rendering AI
The family of the root
Patterns computed · our dataThe words of ب ر ر that our sources attest: the root's letters in green, the added letters in gold.
17 words5 verbs2 verbal nouns1 participle2 intensives and elatives6 other nouns1 relative or abstract
- بَرَّhe was pious
- مَبْرُورblessed
- بَارَّhe behaved towards him with kindness, or goodness and affection and …
- بَرْبَارone who talks much, and raises a clamour, or confused noise, with his tongue
- بَرْبَرcertain people, of the inhabitants of El-Maghrib or Northern Africa west of …
The whole family6 groups, by pattern; tap a pattern to see what it does
Verbs5بَرَّ · بَارَّ · أَبَرَّ
The root as an action: the bare Form I, and the Forms made by adding letters before, inside or after the root.grammar →
Verbal nouns2إِبْرَار · بُرُور
The action itself, named as a noun (maṣdar).grammar →
Participles1مَبْرُور
The one who does it, and the one it is done to.grammar →
- مَبْرُورblessedautopassive, Form Ilibrary ×1Lane
Intensives, qualities and the elative2بَرِير · بَرَّار
The quality carried far, held as a trait, or compared.grammar →
Other nouns6بَرْبَار · بَرْبَر · بُرْبُر
Nouns on other patterns; their meaning is learned word by word.grammar →
Reference
Why this shape?What each of the 12 patterns does
What each pattern does. The pattern gives a tendency, not a rule: many words have drifted into meanings of their own.
The pattern machinePour the root into a pattern; see whether the word exists
Choose a pattern; the root's letters pour into it. Then see whether the word exists in our sources. The machine makes shapes; only usage makes words.
Not in our sources. A possible shape, not a word we can show: the Quran, the library and Lane do not have it for this root.
Place noun with -a. The place noun with the feminine -a. Sometimes it is only a variant of mafʿal; often it names the place where a thing is found in abundance (maʾsada, 'a place full of lions'). So maktab is the place of writing, and maktaba, where writings are gathered: a library, a bookshop. Our summary AI
But: maktaba is not in our classical dictionaries for k-t-b: Lane and al-Jawharī give maktab ('a school'), none gives maktaba. Its sense of 'library, bookshop' fits the pattern of abundance, but that is our reading of the pattern, not a classical entry. Many mafʿala words are single items of usage (maqbara 'cemetery'), which the grammarians call heard, not formed by rule.
The grammarians on this pattern (4)
ما يكون مفعلة لازمة لها الهاء والفتحة … وذلك إذا أردت أن تكثر الشيء بالمكان، وذلك قولك: أرض مسبعة، ومأسدة
Chapter on what is mafʿala, with the -a and the a-vowel always: that is when you mean that a thing abounds in a place, as you say 'a land of many beasts of prey (masbaʿa), of many lions (maʾsada)' AI
Sībawayh (d. c. 180/796), al-Kitāb, ed. ʿAbd al-Salām Hārūn, 3rd ed. (Cairo: al-Khānjī, 1988), 4:94 · OpenITI line 21027–21028 ↗ · on this site · OpenITI RELEASE v2025.1.9, CC BY-NC-SA 4.0
و نحو المظنة و المقبرة فتحا و ضما ليس بقياس
and words like maẓinna and maqbara (with a or u) are not by rule AI
Ibn al-Ḥājib (d. 646/1249), al-Shāfiya fī ʿilm al-taṣrīf, ed. Ḥasan Aḥmad al-ʿUthmān (Mecca: al-Maktaba al-Makkiyya, 1995), 1:30 · OpenITI line 223 ↗ · on this site · OpenITI RELEASE v2025.1.9, CC BY-NC-SA 4.0
- “designate the place where the object signified by the noun from which they are formed, is found in large numbers or quantities” Wright, Grammar I, §247, p. 148 ↗ · on nouns of abundance, maf'ala · 3rd ed. (Cambridge, 1896) · public domain
- “Nouns of time and place not unfrequently take the feminine form” Wright, Grammar I, §225, p. 128 ↗ · on maf'ala as a variant of maf'al · 3rd ed. (Cambridge, 1896) · public domain
This root has a weak or doubled letter, so real words change shape (qāla → qāʾil, not qāwil); the machine pours the letters in as they are, and matches attested words by their regular pattern.
About thisWhat “attested” means here; the sources
Attested means found in our data: the Quranic Arabic Corpus (lemmas, verb Forms, participles, verbal nouns, plurals), the library's words (automatic analysis), Lane's Lexicon (his headwords, the Forms he numbers, the verbal nouns and plurals he names) and Ibn Fāris's entry. Nothing is generated for this list. Meanings are Lane's first gloss in his entry, or else the analyser's gloss (“auto”). Vowelling follows the corpus, then Lane, then the analyser; verbs are given in the regular perfect. Lane's Lexicon thins out after qāf, and a few of his entries cover several roots at once: those roots show no Lane. The patterns, written with ف ع ل, are computed by us.
The dictionaries
English: AI translation AIal-Khalīl · 170Al-birr (البر) is the opposite of the sea, and the antonym of shelter (al-kinn).
al-Khalīl b. Aḥmad (d. c. 170/786), Kitāb al-ʿAyn. The first Arabic dictionary, arranged by permutations of the root letters.
AI AI translation of the Arabic belowal-Jawharī · 393Al-birr (البر) is the opposite of undutifulness (al-ʿuqūq), and al-mabarra (المبرة) is likewise.
al-Jawharī (d. c. 393/1003), al-Ṣiḥāḥ. Admits only usage he judged sound.
AI AI translation of the Arabic belowIbn Fāris · 395The letters bāʾ and rāʾ in the geminated (doubled) root have four principal meanings: truthfulness, imitation of a sound, the opposite of sea, and a plant.
Ibn Fāris (d. 395/1004), Maqāyīs al-Lugha. Seeks each root's original sense (aṣl).
AI AI translation of the Arabic belowal-Rāghib · 502Al-birr (البر) [in one sense] is the opposite of the sea, and from it the notion of expansiveness was conceived;
al-Rāghib al-Iṣfahānī (d. c. 502/1108), al-Mufradāt. Quranic vocabulary, from core sense to Quranic usage.
AI AI translation of the Arabic belowLisān · 711Al-birr (البر) is truthfulness and obedience.
Ibn Manẓūr (d. 711/1311), Lisān al-ʿArab. The great compendium of the earlier dictionaries (entry shortened).
AI AI translation of the Arabic below
The same letters, turned
The same three letters in all their orders. Choose one.
ب ر ر
الباء والراء في المضاعف أربعة أصول الصدق وحكاية صوت وخلاف البحر ونبت
b-r in the doubled root: four roots: truthfulness, imitation of a sound, the opposite of sea, and a plant. AI
Ibn Fāris ↗Lisān ↗Quran ×32
an entry in Ibn Fārislater sources onlyin none of them
Do these six share one core meaning?
Reference
About thisal-Khalīl, Ibn Jinnī, Ibn Fāris; the counts across the dictionary
al-Khalīl (d. c. 170/786), Kitāb al-ʿAyn, as transmitted by al-Layth: a two-letter word “turns in two ways”, a three-letter word “in six ways” (masdūsa), four letters in 24, five in 120; “its used forms are written down and its unused ones dropped” (line 975 ↗). The dictionary is built on this: each chapter takes a set of letters and names which orders are used (mustaʿmal) and which unused (muhmal). The ring shows that verdict, from the chapter heading as edited (documented in the text; how much of the book is al-Khalīl's own is disputed).
A reported total. al-Suyūṭī transmits, from Ḥamza al-Iṣfahānī, that al-Khalīl put the possible forms, used and unused, of two to five letters at 12,305,412 (al-Muzhir, line 1347 ↗). It is reported, not found in the ʿAyn. It equals exactly the arrangements of 2 to 5 different letters out of 28 (756 + 19,656 + 491,400 + 11,793,600); the breakdown printed beside it is corrupt, and al-Zubaydī's count, given next, differs (6,659,400).
Ibn Jinnī (d. 392/1002), al-Khaṣāʾiṣ, names the greater derivation (al-ishtiqāq al-akbar): bind a three-letter root and its six orders to one meaning, and bring stray members back “by the subtlety of the craft and interpretation” (line 7536 ↗). He says himself that it does not hold for every root (line 167 ↗; line 7603 ↗).
Ibn Fāris (d. 395/1004) gives each root its own aṣl and treats a rearranged word as maqlūb, “turned round”, and so not a root of its own: “j-b-dh is not a root, because it is a single word, turned round” (Maqāyīs, line 6147 ↗). The ring sets his aṣl for each order side by side; whether they meet is the question.
Neighbours on the ring differ by one swap of two letters.
The critique. A source quoted by al-Suyūṭī calls the greater derivation Ibn Jinnī's innovation, “not relied on in the language” (al-Muzhir, line 6159 ↗).
The other axis. The root's letters also go into patterns that keep their order and change the frame: the patterns (awzān) and the verb Forms I–X.
Across Ibn Fāris's dictionary. Of the 2,300 possible sets of three different sound letters (no hamza, w or y), 1,021 have at least one order as an entry. How many of their six orders are entries:
- 1 of 6319
- 2 of 6218
- 3 of 6164
- 4 of 6155
- 5 of 6107
- 6 of 658
- 1 of 6148
- 2 of 6108
- 3 of 6157
- 4 of 6179
- 5 of 6111
- 6 of 643
Of the orders al-Khalīl calls used, 2,097 are entries in Ibn Fāris and 267 are not; 17 that he calls unused are entries in Ibn Fāris.
Attested here means found in our digital texts (Ibn Fāris, Lisān al-ʿArab, Lane, the Quranic Arabic Corpus), with w and y kept apart and hamza spellings merged; it is our data, not a classical verdict. English beside the Arabic is AI translation. Sources and grades: docs/research/root-permutations.md.
Letters & sound
- بbāʾbetween the lips · voiced, stopSīb. · I. Jinnī
- رrāʾtip of the tongue, near the nūn · voiced, in betweenSīb. · I. Jinnī
- رrāʾtip of the tongue, near the nūn · voiced, in betweenSīb. · I. Jinnī
How each letter is made, in brief, from Sībawayh's and Ibn Jinnī's own sentences (linked); their words are under Reference.
Sharing two of its three letters (computed; kinship of form, not of meaning)
Reference
How it is madeSībawayh and Ibn Jinnī · phonetics
English throughout: AI translation of the Arabic AI
ب
ومما بين الشفتين مخرج الباء، والميم، والواو
From between the two lips is the place of the bāʾ, the mīm and the wāw. Sībawayh, line 26563 ↗
ومما بين الشفتين مخرج الباء والميم والواو
From between the two lips is the place of the bāʾ, the mīm and the wāw. Ibn Jinnī, line 986 ↗
ر
ومن مخرج النون غير أنه أدخل في ظهر اللسان قليلا لانحرافه إلى اللام مخرج الراء
From the place of the nūn, except that it goes a little further onto the back of the tongue, because it leans towards the lām, is the place of the rāʾ. Sībawayh, lines 26557–26558 ↗
ومن مخرج النون غير أنه أدخل في ظهر اللسان قليلا، لانحرافه إلى اللام، مخرج الراء
From the place of the nūn, except that it goes a little further onto the back of the tongue, because it leans towards the lām, is the place of the rāʾ. Ibn Jinnī, lines 980–981 ↗
ر
ومن مخرج النون غير أنه أدخل في ظهر اللسان قليلا لانحرافه إلى اللام مخرج الراء
From the place of the nūn, except that it goes a little further onto the back of the tongue, because it leans towards the lām, is the place of the rāʾ. Sībawayh, lines 26557–26558 ↗
ومن مخرج النون غير أنه أدخل في ظهر اللسان قليلا، لانحرافه إلى اللام، مخرج الراء
From the place of the nūn, except that it goes a little further onto the back of the tongue, because it leans towards the lām, is the place of the rāʾ. Ibn Jinnī, lines 980–981 ↗
Sībawayh, al-Kitāb (ed. Hārūn) and Ibn Jinnī, Sirr ṣināʿat al-iʿrāb; OpenITI digital texts (CC BY-NC-SA 4.0). Full credits on each letter's page.
In the Breath of the All-MercifulIbn ʿArabī · metaphysics
English throughout: AI translation of the Arabic AI
ب
Level of existence: الجن · the jinn
Divine Name: اللطيف · al-Laṭīf, the Subtle
Lunar mansion: الفرع المقدم · al-Farʿ al-Muqaddam
Futūḥāt ch. 198, line 62118Spheres of its simples (ch. 2): 10 line 2573 ↗
Nature (ch. 2)
المرتبة العشرية فحروفها حارة يابسة
The tenfold rank: its letters are hot and dry.
Ibn ʿArabī, al-Futūḥāt al-Makkiyya, line 2582ر
Level of existence: السماء الخامسة · the fifth heaven
Divine Name: المصور · the Form-Giver (al-Muṣawwir)
Lunar mansion: الغفر · al-Ghafr
Futūḥāt ch. 198, line 64675Spheres of its simples (ch. 2): 10 line 2573 ↗
Nature (ch. 2)
المرتبة العشرية فحروفها حارة يابسة
The tenfold rank: its letters are hot and dry.
Ibn ʿArabī, al-Futūḥāt al-Makkiyya, line 2582ر
Level of existence: السماء الخامسة · the fifth heaven
Divine Name: المصور · the Form-Giver (al-Muṣawwir)
Lunar mansion: الغفر · al-Ghafr
Futūḥāt ch. 198, line 64675Spheres of its simples (ch. 2): 10 line 2573 ↗
Nature (ch. 2)
المرتبة العشرية فحروفها حارة يابسة
The tenfold rank: its letters are hot and dry.
Ibn ʿArabī, al-Futūḥāt al-Makkiyya, line 2582Meaning by vowelal-Dabbāgh · a visionary claim about a primordial “Syriac”, not historical Syriac
English throughout: AI translation of the Arabic AI
ب
With fatḥa ـَ
فهي إشارة إلى الشيء الذي هو في غاية العز أو في غاية الذل.
It is an indication of the thing that is at the utmost of might or at the utmost of abasement.
With ḍamma ـُ
فهي إشارة معها قبض.
It is an indication accompanied by contraction (qabḍ).
With kasra ـِ
فهي إشارة إلى ما دخل أو هو داخل على الذات.
It is an indication of what has entered, or is entering, upon the self.
ر
With fatḥa ـَ
فهي إشارة إلى جميع الخيرات الظاهرة والباطنة.
It is an indication of all goods, outward and inward.
With ḍamma ـُ
فهي إشارة إلى الواحد في نفسه وهو ظاهر.
It is an indication of the one in itself, and it is manifest.
With kasra ـِ
فهي إشارة إلى الشيء الذي فيه الروح وليس من بني آدم، أو إشارة إلى الروح نفسها.
It is an indication of a thing that has spirit in it but is not of the children of Adam, or an indication of the spirit itself.
ر
With fatḥa ـَ
فهي إشارة إلى جميع الخيرات الظاهرة والباطنة.
It is an indication of all goods, outward and inward.
With ḍamma ـُ
فهي إشارة إلى الواحد في نفسه وهو ظاهر.
It is an indication of the one in itself, and it is manifest.
With kasra ـِ
فهي إشارة إلى الشيء الذي فيه الروح وليس من بني آدم، أو إشارة إلى الروح نفسها.
It is an indication of a thing that has spirit in it but is not of the children of Adam, or an indication of the spirit itself.
In the sister scriptsHebrew ב ר רSyriac ܒ ܪ ܪ
| Arabic | ب ر ر |
| Hebrew | ב ר ר |
| Syriac | ܒ ܪ ܪ |
| Ancient South Arabian (musnad) | 𐩨 𐩧 𐩧 |
| Phoenician | 𐤁 𐤓 𐤓 |
Letter for letter, by the regular sound correspondences of the Semitic languages (Arabic keeps several sounds the others merged). This shows how the root would be spelled; whether a related word exists is a separate question, answered in the Semitic lens. Where an Arabic sibilant (s, sh) continues two older sounds, both spellings are shown.
Lenses
AIClassical lexiconAl-Khalīl anchors birr in the opposite of baḥr ('dry land') and in the sense of dutifulness toward kin (al-bārr bi-dhawī qarābatihi), giving plurals abrār/bararah and noting barrat yamīnuhu 'his oath proved true.' Al-Jawharī narrows the everyday sense to the opposite of ʿuqūq (undutifulness to parents), with the mother described as barrah bi-waladihā, and preserves the idiom of the true, victorious oath.well attested
The lexicographers in chronological order, from al-Khalīl to Lane.
Al-Khalīl anchors birr in the opposite of baḥr ('dry land') and in the sense of dutifulness toward kin (al-bārr bi-dhawī qarābatihi), giving plurals abrār/bararah and noting barrat yamīnuhu 'his oath proved true.' Al-Jawharī narrows the everyday sense to the opposite of ʿuqūq (undutifulness to parents), with the mother described as barrah bi-waladihā, and preserves the idiom of the true, victorious oath. Ibn Fāris's maqāyīs makes ṣidq (truthfulness) the root sense from which obedience is derived — 'yabirru rabbahu' is glossed as obedience because obedience is a form of truthfulness — while noting the homonymous senses of vocal noise and dry land as separate roots under the same rubric. Al-Rāghib develops this etymologically from 'the land' (al-barr), reading birr as spiritual expansiveness (tawassuʿ) in doing good, attributed to God as bestowal (al-Barr al-Raḥīm, Q52:28) and to the servant as obedience, and he distinguishes birr of belief from birr of acts, citing Q2:177 as encompassing both. Ibn Manẓūr collects these strands under 'ṣidq wa-ṭāʿa' and preserves the grammatical debate (Sībawayh vs. others) over how Q2:177 elides a noun ('lākinna al-birra man āmana').
Draws on: cayn · sihah · Ibn Fāris · mufradat · lisan
- al-Khalīl, Kitāb al-ʿAyn, root b-r-r
- al-Jawharī, al-Ṣiḥāḥ, root b-r-r
- Ibn Fāris, Muʿjam Maqāyīs al-Lugha, root b-r-r
- al-Rāghib al-Iṣfahānī, al-Mufradāt, root b-r-r
- Ibn Manẓūr, Lisān al-ʿArab, root b-r-r
Letters & soundIn al-Dabbāgh's scheme the fatḥa-vowelled bāʾ indicates a thing at the utmost of might or the utmost of abasement, and the fatḥa-vowelled rāʾ indicates all goods, outward and inward — a pairing that, read symbolically, would make birr the meeting of extremity (bāʾ) with comprehensive good (rāʾ), consonant with al-Rāghib's gloss of birr as expansive, thoroughgoing goodness.speculative
What the theorists of sound symbolism would say of these letters. Speculative by nature.
In al-Dabbāgh's scheme the fatḥa-vowelled bāʾ indicates a thing at the utmost of might or the utmost of abasement, and the fatḥa-vowelled rāʾ indicates all goods, outward and inward — a pairing that, read symbolically, would make birr the meeting of extremity (bāʾ) with comprehensive good (rāʾ), consonant with al-Rāghib's gloss of birr as expansive, thoroughgoing goodness. Ibn ʿArabī's letter correspondences place bāʾ with the jinn and rāʾ with the fifth heaven, without an obvious semantic link to dutifulness beyond generic cosmological placement. This kind of letter-symbolism is explicitly a minority, esoteric mode of reading; mainstream Arabic linguistics (including Ibn Fāris himself) does not treat individual letters as bearers of fixed meaning, so these correspondences are offered only as a juxtaposition, not as an explanation of the word's history.
Draws on: dabbagh_fatha · akbari198
- al-Dabbāgh, letter-meanings (fatḥa series)
- Ibn ʿArabī, letter-cosmology table (akbari198)
Root structureb-r-r is a mudāʿaf (geminate/doubled) root, so the full triliteral permutation set collapses: only the order b-r(-r) is attested (32 occurrences), while the reversed order r-b(-r) yields nothing in the lexicons.plausible
The two-letter nucleus (Ibn Fāris's own chapters) and the permutations of the letters (Ibn Jinnī).
b-r-r is a mudāʿaf (geminate/doubled) root, so the full triliteral permutation set collapses: only the order b-r(-r) is attested (32 occurrences), while the reversed order r-b(-r) yields nothing in the lexicons. Ibn Fāris's own chapter treats this doubled root as containing four distinct asl-senses (truthfulness, a sound/babble as in barbara, 'dry land' opposite sea, and a plant-name birr), which is unusual — he does not force them into one nucleus, and this plurality should be held as a caveat rather than resolved. No genuine two-letter (b-r) nucleus with independent siblings is supplied in the material at hand, so any claim of a b-r 'core' beneath these four senses remains a juxtaposition rather than an established fact.
Draws on: Ibn Fāris · permutations
- Ibn Fāris, Maqāyīs, root b-r-r
- Wiktionary, Arabic root appendix ب ر ر ↗
Semitic kin & loanwordsArabic b-r-r has a plausible cognate in Hebrew brr (ברר), 'to purify, select, sift' (e.g., bar lēvāv, 'pure of heart,' Ps.plausible
Cognates in the sister languages, and whether the word was borrowed.
Arabic b-r-r has a plausible cognate in Hebrew brr (ברר), 'to purify, select, sift' (e.g., bar lēvāv, 'pure of heart,' Ps. 24:4), and in the adjective bar, 'pure, clean.' The semantic path from 'pure/select' to 'true, sincere' (Ibn Fāris's ṣidq) to 'dutiful, righteous' is a well-attested shift within West Semitic ethical vocabulary, though the Arabic development toward filial and religious dutifulness (birr al-wālidayn) is not paralleled as sharply in Hebrew. No confident Akkadian or Gəʿəz cognate is available from the material at hand, and there is no reason to treat b-r-r as a loanword into Arabic; it behaves as an inherited Semitic root.
Draws on: cognate
- BDB, Hebrew-English Lexicon, root brr
Quranic exegesisAl-Ṭabarī, al-Zamakhsharī, and al-Rāzī on Q2:177 ('Righteousness is not that you turn your faces...but righteousness is [in] one who believes...') read birr as a comprehensive term uniting correct belief (God, the Last Day, angels, scripture, prophets) with concrete acts (almsgiving, prayer, honoring covenants, patience in hardship) — the verse's rhetorical form is discussed by al-Zamakhsharī as an implied genitive ('but birr is the birr of one who believes') and by al-Rāghib (echoed in his Mufradāt entry) as proof that ritual orientation alone does not exhaust the term.well attested
How the classical exegetes read the word in the Quran.
Al-Ṭabarī, al-Zamakhsharī, and al-Rāzī on Q2:177 ('Righteousness is not that you turn your faces...but righteousness is [in] one who believes...') read birr as a comprehensive term uniting correct belief (God, the Last Day, angels, scripture, prophets) with concrete acts (almsgiving, prayer, honoring covenants, patience in hardship) — the verse's rhetorical form is discussed by al-Zamakhsharī as an implied genitive ('but birr is the birr of one who believes') and by al-Rāghib (echoed in his Mufradāt entry) as proof that ritual orientation alone does not exhaust the term. Q2:224 ('do not make God a target of your oaths so as to prevent you from being righteous...') is read by al-Ṭabarī as warning against using oaths as an excuse to avoid dutiful acts. Q3:193 and 3:198 use al-abrār for the righteous destined for Paradise, which the exegetes treat as the plural culmination of the trait described discursively in 2:177. Across these readings birr is consistently the master ethical term binding inward faith to outward conduct.
Draws on: quran · sampleVerses
Philosophy & kalāmAl-Barr appears as a divine name (Q52:28, al-barru al-raḥīm), and the mutakallimūn treat it, alongside al-Raḥīm and similar names, as denoting an attribute of beneficent action (fiʿl) rather than an essential attribute (ṣifat dhāt) requiring separate ontological grounding, in keeping with the general Ashʿarī treatment of the 'names of action.' Al-Rāghib's move from 'birr as God's bestowal' to 'birr as the servant's obedience' mirrors the standard kalām distinction between divine grace and human response, but birr is not itself a technical term of falsafa in the way that wujūd or ʿayn are, so this lens is offered only briefly.uncertain
The word as a technical term in falsafa and theology.
Al-Barr appears as a divine name (Q52:28, al-barru al-raḥīm), and the mutakallimūn treat it, alongside al-Raḥīm and similar names, as denoting an attribute of beneficent action (fiʿl) rather than an essential attribute (ṣifat dhāt) requiring separate ontological grounding, in keeping with the general Ashʿarī treatment of the 'names of action.' Al-Rāghib's move from 'birr as God's bestowal' to 'birr as the servant's obedience' mirrors the standard kalām distinction between divine grace and human response, but birr is not itself a technical term of falsafa in the way that wujūd or ʿayn are, so this lens is offered only briefly.
Draws on: mufradat
- al-Rāghib, al-Mufradāt, root b-r-r
Reference