Where does “इम्तहान” come from?

इम्तहान (Hindi) comes from Arabic اِمْتِحَان — examination, test.

इम्तहान (Hindi): examination, test; trial

Definitions

Step	Language	Word	Meaning
1	Arabic	اِمْتِحَان	examination, test

इम्तहान — Etymology, Origin & Word History | Etymology Explorer