Where does “ख़तना” come from?

ख़तना (Hindi) comes from Persian ختنه, from Arabic خَتْنَة.

ख़तना (Hindi): circumcision

Definitions

Step	Language	Word	Meaning
1	Persian	ختنه	circumcision
2	Arabic	خَتْنَة	—

ख़तना — Etymology, Origin & Word History | Etymology Explorer