Where does “prostnica” come from?

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

prostnica (Polish): rectum

Definitions

  1. rectum

Ancestry of “prostnica”, step by step

StepLanguageWordMeaning
1Polishprostystraight; simple, easy; unsophisticated,...
2Old Polishprostystraight
3Proto-Slavicprostъsimple, straight
4Proto-Indo-Europeanpro-sth₂o-—
Every word from Proto-Indo-European pro-sth₂o- →Every word from Proto-Slavic prostъ →Every word from Old Polish prosty →