التِّيْنِ

A word in the Arabic language will either be 1) a verb or 2) a noun or 3) a particle – التِّيْنِ 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

التِّيْنُ is the natural state of this definite noun and it became التِّيْنِ 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

Fig tree, name of a hillock

The fig is the symbol of the era of Adam, of Mosaic day and that of Jesus

Verse/Below is the only verse in the holy Quran, containing the genitive nounالتِّيْنِ
Ayat
95-1By the fig and the oliveوَالتِّيْنِ وَالزَّيْتُوْنِ