Where does “جمعه” come from?

جمعه (Ottoman Turkish) comes from Classical Persian جُمْعَه, from Arabic جُمْعَة — week.

Ancestry of “جمعه”, step by step

Step	Language	Word	Meaning
1	Classical Persian	جُمْعَه	—
2	Arabic	جُمْعَة	week

جمعه — Etymology, Origin & Word History | Etymology Explorer