Where does “ಹಾಲು” come from?

ಹಾಲು (Kannada) comes from Proto-Dravidian pāl(u) — milk.

ಹಾಲು (Kannada): milk

Definitions

Step	Language	Word	Meaning
1	Proto-Dravidian	pāl(u)	milk

ಹಾಲು — Etymology, Origin & Word History | Etymology Explorer