Where does “płetwa” come from?
płetwa (Polish) comes from Old Polish plutwa, from Old Czech plútva, from Old Czech plúti, from Proto-Slavic pluti, from Proto-Balto-Slavic plauˀtei, from Proto-Indo-European pleh₃(w)- — to swim, flow.
płetwa (Polish): fin, flipper; swim fin
Ancestry of “płetwa”, step by step
Words derived from “płetwa”