Where does “ಗೆಳೆಯ” come from?

ಗೆಳೆಯ (Kannada) comes from Proto-Dravidian keḷ- — friendly, loved, companion.

ಗೆಳೆಯ (Kannada): a friend

Definitions

Step	Language	Word	Meaning
1	Proto-Dravidian	keḷ-	friendly, loved, companion

ಗೆಳೆಯ — Etymology, Origin & Word History | Etymology Explorer