Where does “łani” come from?

łani (Old Polish) comes from Proto-Slavic olni, from Hungarian öl, from Proto-Uralic süle, from Proto-Turkic *sögil.

Ancestry of “łani”, step by step

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

łani — Etymology, Origin & Word History | Etymology Explorer