Where does “просты” come from?

просты (Belarusian) comes from Proto-Slavic prostъ, from Proto-Indo-European pro-sth₂o-.

просты (Belarusian): straight; prime

Definitions

  1. straight; prime

Ancestry of “просты”, step by step

StepLanguageWordMeaning
1Proto-Slavicprostъsimple, straight
2Proto-Indo-Europeanpro-sth₂o-—
Every word from Proto-Indo-European pro-sth₂o- →Every word from Proto-Slavic prostъ →