Where does “ölő” come from?

ölő (Hungarian) comes from Hungarian öl, from Proto-Uralic süle, from Proto-Turkic *sögil.

ölő (Hungarian): present participle of öl; killing

Definitions

Step	Language	Word	Meaning
1	Hungarian	öl	to kill, slay, murder; to devote, sacrifice,...
2	Proto-Uralic	süle	bosom, lap, open arms
3	Proto-Turkic	*sögil	—

ölő — Etymology, Origin & Word History | Etymology Explorer