Where does “Ślimak” come from?

Ślimak (Polish) comes from Old Polish ślimak, from Proto-Slavic slimakъ, from Proto-Indo-European sleh₁y-m-.

Ancestry of “Ślimak”, step by step

Step	Language	Word	Meaning
1	Old Polish	ślimak	—
2	Proto-Slavic	slimakъ	snail
3	Proto-Indo-European	sleh₁y-m-	—

Ślimak — Etymology, Origin & Word History | Etymology Explorer