أَلْفِ
A word in the Arabic language will either be 1) a verb or 2) a noun or 3) a particle – أَلْفِ 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
أَلْفٌ is the natural state of this indefinite noun and becomes أَلْفٍ due to: 1) a preposition that precedes it or 2) a possessed noun that precedes it or 3) it’s a noun of dependent declension a) نَعْتٌ / صِفَطٌ adjectives b) التَّوْكِيْدُ emphatic c) المَعْطُوْفٌ conjunction d) البَدَلُ synonym
أَلْفٍ loses it’s indefinite article, becoming أَلْفِ due to it being a possessed noun
1000 (One thousand)
| مَعْرِفَةٌ | جَمْعٌ | مُذَكَّرٌ | مُؤَنَّثٌ | مَجْرُوْرٌ | أ ل ف | بَاب سَمِعَ | فَعْلٌ | أَلِفَ يَأْلَفُ | اسْمٌ | الْجَمْعُ التَّكْثِيْرُ |
| Definite | Plural | Masculine | Feminine | Genitive | Root | One thousand | Pattern | س | Noun | Broken plural |
| العَدَدُ | ||||||||||
| Number | ||||||||||
| Surah/ | Below are the 2 verses in the holy Quran containing the indefinite, genitive noun | أَلْفِ |
| Verse | ||
| 22-47 | ||
| 97-3 | The night of Qadr is better than a thousand months | لَيْلَةُ القَدْرِ خَيْرٌ مِّنْ أَلْفِ شَهْرٍ |