Where does “че” come from?

че (Bulgarian) comes from Proto-Slavic čь, from Proto-Balto-Slavic ki, from Proto-Indo-European kʷíd, from Proto-Indo-European kʷís, from Proto-Indo-European kʷi- — interrogative base.

че (Bulgarian): that; used to introduce a clause that indicates...

Definitions

  1. that; used to introduce a clause that indicates...

Ancestry of “че”, step by step

StepLanguageWordMeaning
1Proto-Slavicčьwhat; alternative form of *čьto
2Proto-Balto-Slavickiwhat
3Proto-Indo-Europeankʷídneuter nominative/accusative singular of *kʷís
4Proto-Indo-Europeankʷíswho, what; who, which, that; which, what
5Proto-Indo-Europeankʷi-interrogative base
Every word from Proto-Indo-European kʷi- →Every word from Proto-Indo-European kʷís →Every word from Proto-Indo-European kʷíd →