Where does “prostownik” come from?

prostownik (Polish) comes from Polish prostować, from Polish prosty, from Old Polish prosty, from Proto-Slavic prostъ, from Proto-Indo-European pro-sth₂o-.

prostownik (Polish): extensor

Definitions

  1. extensor

Ancestry of “prostownik”, step by step

StepLanguageWordMeaning
1Polishprostowaćto straighten, to straighten out; to straighten;...
2Polishprostystraight; simple, easy; unsophisticated,...
3Old Polishprostystraight
4Proto-Slavicprostъsimple, straight
5Proto-Indo-Europeanpro-sth₂o-
Every word from Proto-Indo-European pro-sth₂o-Every word from Proto-Slavic prostъEvery word from Old Polish prosty