Where does “Kosiec” come from?
Kosiec (Polish) comes from Polish Kos, from Proto-Slavic kǫsъ, from Proto-Slavic kǫsati, from Proto-Slavic kǫ̑sъ — piece.
Kosiec (Polish) comes from Polish Kos, from Proto-Slavic kǫsъ, from Proto-Slavic kǫsati, from Proto-Slavic kǫ̑sъ — piece.