Where does “Kąsiel” come from?

Kąsiel (Polish) comes from Polish kąsać, from Proto-Slavic *kǫsàti — to bite.

Ancestry of “Kąsiel”, step by step

StepLanguageWordMeaning
1Polishkąsaćto bite; to sting
2Proto-Slavic*kǫsàtito bite
Every word from Proto-Slavic *kǫsàti →Every word from Polish kąsać →
Kąsiel — Etymology, Origin & Word History | Etymology Explorer