Where does “prokazatelný” come from?

prokazatelný (Czech) comes from Czech prokázat, from Czech kázat, from Old Czech kázati, from Proto-Slavic kāzàti, from Proto-Indo-European kʷeǵ-, from Proto-Indo-European kʷeḱ- — to see; to look.

prokazatelný (Czech): demonstrable

Definitions

  1. demonstrable

Ancestry of “prokazatelný”, step by step

StepLanguageWordMeaning
1Czechprokázatto demonstrate, to show, to prove
2Czechkázatto preach; to moralize, to lecture
3Old Czechkázatito show
4Proto-Slavickāzàtito show
5Proto-Indo-Europeankʷeǵ-—
6Proto-Indo-Europeankʷeḱ-to see; to look
Every word from Proto-Indo-European kʷeḱ- →Every word from Proto-Indo-European kʷeǵ- →Every word from Proto-Slavic kāzàti →