Where does “čeština” come from?
čeština (Czech) comes from Slovene češčina, from Old Czech češský, from Old Czech Čech, from Proto-Slavic čelověkъ, from Proto-Indo-European (s)kʷel-, from Proto-Indo-European kʷel- — to turn.
Ancestry of “čeština”, step by step
Words derived from “čeština”