Where does “केवल” come from?

केवल (Hindi) comes from Sanskrit केवल, from Proto-Indo-European kéywelos — alone.

केवल (Hindi): sole; one and only; only

Definitions

Step	Language	Word	Meaning
1	Sanskrit	केवल	entirely, wholly, absolutely; but; certainly,...
2	Proto-Indo-European	kéywelos	alone

केवल — Etymology, Origin & Word History | Etymology Explorer