Where does “யோனி” come from?

யோனி (Tamil) comes from Sanskrit योनि, from Proto-Indo-Iranian yauni — abode.

யோனி (Tamil): vagina, yoni

Definitions

Step	Language	Word	Meaning
1	Sanskrit	योनि	the womb, uterus, vulva, vagina, female organs of...
2	Proto-Indo-Iranian	yauni	abode

யோனி — Etymology, Origin & Word History | Etymology Explorer