Where does “cosi” come from?

cosi (Czech) comes from Czech co, from Old Czech čso, from Proto-Slavic česo, 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.

cosi (Czech): something

Definitions

  1. something

Ancestry of “cosi”, step by step

StepLanguageWordMeaning
1Czechcowhat; that; isn't it so, don't you think?
2Old CzechčsoInterrogative pronoun; what
3Proto-Slavicčesowhat (interrogative)
4Proto-Slavicčьwhat; alternative form of *čьto
5Proto-Balto-Slavickiwhat
6Proto-Indo-Europeankʷídneuter nominative/accusative singular of *kʷís
7Proto-Indo-Europeankʷíswho, what; who, which, that; which, what
8Proto-Indo-Europeankʷi-interrogative base

Words derived from “cosi

Every word from Proto-Indo-European kʷi-