Where does “češtinář” come from?
češtinář (Czech) comes from Czech čeština, 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.
češtinář (Czech): teacher of Czech
Ancestry of “češtinář”, step by step