الْكَوْثَرَ

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

الْكَوْثَرُ is the natural state of a definite noun and it becomes الْكَوْثَرَ 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

To surpass in number or quantity, multiply, happen often, to be much, many, numerous

Grammatical analysis of الْكَوْثَرَ
اسْمٌ مَنْصُوْبٌ بِالفَتْحَةِ الزَّاهِرَةِ
Surah/Below is the 1 verse in the holy Quran containing the definite, accusative, intensive nounالكَوْثَرَ
Verse
108-1Surely, We have given you the fountain of abundanceإِنَّآ أَعْطَيْنَاكَ الكَوْثَرَ