فَكُّ
A word in the Arabic language will either be 1) a verb or 2) a noun or 3) a particle – فَكُّ is a noun
A noun may either be 1) Definite or indefinite 2) Masculine or feminine 3) Singular, dual or plural 4) Nominative, accusative or genitive
الْفَكُّ is the natural state of a definite noun and it is in this state ( مَرْفُوْعٌ) when the noun is: 1) the subject المُبْتَدَأُ or 2) the predicate الخَبَرُ or 3) اسْمُ كَانَ or 4) خَبَرُ إِنَّ or 5) الفَاعِلُ subject of a verb in the active voice or 6) نَائِبُ الفَاعِلِ subject of a verb in the passive voice or 7) it’s a noun of dependent declension a) نَعْتٌ / صِفَطٌ adjectives b) التَّوْكِيْدُ emphatic c) المَعْطُوْفٌ conjunction d) البَدَلُ synonym
الْفَكُّ loses it’s definite article, changing to فَكُّ due to it being a possessed noun
Freeing
To free (a prisoner or slave), rid of, be ceased, desist
Grammatical analysis of فَكُّ
اسْمٌ مَرْفُوْعٌ بِالضَّمَّةِ الزَّاهِرَةِ
| نَكِرَةٌ | مُفْرَدٌ | مُذَكَّرٌ | مَرْفُوْعٌ | ف ك ك | بَاب نَصَرَ | فَكَّ يَفُكُّ | فَعْلٌ | اسْمٌ | الْمَصْدَرُ |
| Indefinite | Singular | Masculine | Nominative | Root | Freeing | ن | Pattern | Noun | Verbal noun |
| Surah/ | Below is the only verse in the holy Quran containing the noun | فَكُّ |
| Verse | ||
| 90-13 | the freeing of a neck | فَكُّ رَقَبَةٍ |