وَجَعَلْنَا ٱلنَّهَارَ مَعَاشًا
Sentence structure
This coordinated clause completes the contrast with night. ٱلنَّهَارَ is the first object and مَعَاشًا the second: daytime was made a time and means of livelihood.
وَجَعَلْنَا — and We made
Grammar: وَ is a conjunction, جَعَلْ a perfect verb, and attached نَا its first-person plural subject.
ٱلنَّهَارَ — the daytime
Grammar: A definite masculine accusative noun and the first object of جَعَلْنَا.
مَعَاشًۭا — a time of livelihood
Grammar: An indefinite masculine accusative noun and the second object of جَعَلْنَا.