Where does “Kosiec” come from?

Kosiec (Polish) comes from Polish Kos, from Proto-Slavic kǫsъ, from Proto-Slavic kǫsati, from Proto-Slavic kǫ̑sъ — piece.

Ancestry of “Kosiec”, step by step

StepLanguageWordMeaning
1PolishKosblackbird, common blackbird, merle
2Proto-Slavickǫsъpiece
3Proto-Slavickǫsatito bite
4Proto-Slavickǫ̑sъpiece
Every word from Proto-Slavic kǫ̑sъEvery word from Proto-Slavic kǫsatiEvery word from Proto-Slavic kǫsъ
Kosiec — Etymology, Origin & Word History | Etymology Explorer