Where does “shero” come from?

shero (Romani) comes from Sanskrit शिर, from Proto-Indo-European ḱerh₂- — head, top; horn.

shero (Romani): head

Definitions

Step	Language	Word	Meaning
1	Sanskrit	शिर	head, skull, cephalon; peak, top; bed, couch
2	Proto-Indo-European	ḱerh₂-	head, top; horn

shero — Etymology, Origin & Word History | Etymology Explorer