إِيَابَ

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

الإِيَابُ is the natural state of this definite noun and it changes to الإِيَابَ due to it being the: 1) المَفْعُوْلُ بِهِ object of a verb or 2) اسْمُ of إِنَّ or 3) خَبَرُ of كَانَ or 4) المَفْعُوْلُ فِيْهِ adverb of time or place or 5) المَفْعُوْلُ لَهُ noun that gives the reason for doing a thing or 6) المَفْعُوْلُ مَعَهُ noun that comes after the و which means “along with” or 7) المَفْعُوْلُ المُطْلَقُ is the مَصْدَرٌ of the verb occurring in the sentence or 8) الحَالُ adverb of manner or 9) التَّمْيِيْزُ noun that specifies the meaning of a vague word or 10) المُسْتَثْنَى noun that comes after إِلَّا meaning “except” or 11) المُنَادَى noun of calling or 12) it’s a noun of dependent declension a) نَعْتٌ / صِفَطٌ adjectives b) التَّوْكِيْدُ emphatic c) المَعْطُوْفٌ conjunction d) البَدَلُ synonym

الإِيَابَ loses it’s definite article, becoming إِيَابَ due to it being a possessed noun

Act of returning

To come back from, repent, set (stars), repeat, return (from disobedience to obedience), echo, alight at night

Grammatical analysis of  إِيَابَ
اسْمٌ مَنْصُوْبٌ بِالفَتْحَةِ الزَّاهِرَةِ وَهُوَ مُضَافٌ
Surah/Below is the only verse in the holy Quran containing the nounإِيَابَ
Verse
88-25Verily to Us will be their returnإِنَّ إِلَيْنَآ إِيَابَهُمْ