Where does “krošto” come from?

krošto (Serbo-Croatian) comes from Serbo-Croatian stȏ, from Russian что́, from Old East Slavic чьто, from Proto-Slavic čьto, from Proto-Balto-Slavic ki, from Proto-Indo-European kʷíd, from Proto-Indo-European kʷís, from Proto-Indo-European kʷi- — interrogative base.

krošto (Serbo-Croatian): for what reason, what for

Definitions

  1. for what reason, what for

Ancestry of “krošto”, step by step

krošto traces back through two separate lines of ancestry.

via Serbo-Croatian stȏ

StepLanguageWordMeaning
1Serbo-Croatianstȏhundred
2Russianчто́what
3Old East Slavicчьтоwhat?
4Proto-Slavicčьtowhat
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

via Serbo-Croatian kroz

StepLanguageWordMeaning
1Serbo-Croatiankrozthrough; in, within; throughout
2Proto-Slavicrъzъ—
3Proto-Balto-Slavic(s)kerso-—
4Proto-Indo-European(s)kert-to cut, to turn; to cut, divide; short
5Proto-Indo-European(s)ḱer-dung, manure, filth; manure, dung, filth
Every word from Proto-Indo-European kʷi- →Every word from Proto-Indo-European kʷís →Every word from Proto-Indo-European kʷíd →