Where does “జతకట్టు” come from?

జతకట్టు (Telugu) comes from Telugu కట్టు, from Proto-Dravidian *kaṭ-.

జతకట్టు (Telugu): to join in sex

Definitions

Step	Language	Word	Meaning
1	Telugu	కట్టు	to tie; to build; tie, bond, band, bandage, knot
2	Proto-Dravidian	*kaṭ-	—

జతకట్టు — Etymology, Origin & Word History | Etymology Explorer