Where does “prostănac” come from?

prostănac (Romanian) comes from Romanian prostan, from Romanian prost, from Old Church Slavonic простъ, from Proto-Slavic prostъ, from Proto-Indo-European pro-sth₂o-.

prostănac (Romanian): simpleton

Definitions

  1. simpleton

Ancestry of “prostănac”, step by step

StepLanguageWordMeaning
1Romanianprostanidiotic
2Romanianprostsimple, simple-minded; stupid; poor
3Old Church Slavonicпростъsimple, free, straight
4Proto-Slavicprostъsimple, straight
5Proto-Indo-Europeanpro-sth₂o-
Every word from Proto-Indo-European pro-sth₂o-Every word from Proto-Slavic prostъEvery word from Old Church Slavonic простъ