Where does “seh₂yro-” come from?

seh₂yro- (Proto-Indo-European) comes from Proto-Indo-European seh₂y- — to bind; to be fierce, afflict; to tie, bind.

Ancestry of “seh₂yro-”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	seh₂y-	to bind; to be fierce, afflict; to tie, bind

seh₂yro- — Etymology, Origin & Word History | Etymology Explorer