Where does “निकाह” come from?

निकाह (Hindi) comes from Persian نکاح, from Arabic نِكَاح — marriage.

निकाह (Hindi): marriage, nikah

Definitions

Step	Language	Word	Meaning
1	Persian	نکاح	—
2	Arabic	نِكَاح	marriage

निकाह — Etymology, Origin & Word History | Etymology Explorer