Where does “ನೀರು” come from?

ನೀರು (Kannada) comes from Tulu ನೀರ್, from Proto-Dravidian nīr — you; water.

ನೀರು (Kannada): water

Definitions

Step	Language	Word	Meaning
1	Tulu	ನೀರ್	water
2	Proto-Dravidian	nīr	you; water

ನೀರು — Etymology, Origin & Word History | Etymology Explorer