Where does “आध्यात्मिक” come from?

आध्यात्मिक (Hindi) comes from Sanskrit आध्यात्मिक — spiritual, holy.

आध्यात्मिक (Hindi): spiritual, holy

Definitions

Step	Language	Word	Meaning
1	Sanskrit	आध्यात्मिक	spiritual, holy

आध्यात्मिक — Etymology, Origin & Word History | Etymology Explorer