Where does “ostropłetwiec” come from?

ostropłetwiec (Polish) comes from Polish płetwa, 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.

ostropłetwiec (Polish): rock gunnel, butterfish

Definitions

  1. rock gunnel, butterfish

Ancestry of “ostropłetwiec”, step by step

ostropłetwiec traces back through two separate lines of ancestry.

via Polish płetwa

StepLanguageWordMeaning
1Polishpłetwafin, flipper; swim fin
2Old Polishplutwafin
3Old Czechplútvafin
4Old Czechplútito sail, to float, to flow
5Proto-Slavicplutito swim; to sail
6Proto-Balto-Slavicplauˀteito swim
7Proto-Indo-Europeanpleh₃(w)-to swim, flow

via Polish Ostry

StepLanguageWordMeaning
1PolishOstrysharp
2Proto-Slavicostrъsharp
3Proto-Balto-Slavicaśrassharp
4Proto-Indo-European*h₂eḱróssharp
5Proto-Indo-Europeanh₂eḱ-sharp
Every word from Proto-Indo-European pleh₃(w)- →Every word from Proto-Balto-Slavic plauˀtei →Every word from Proto-Slavic pluti →