Where does “očistiti” come from?
očistiti (Serbo-Croatian) comes from Serbo-Croatian čistiti, from Proto-Slavic čistiti, from Proto-Slavic čistъ, from Proto-Balto-Slavic skīstas, from Proto-Indo-European skidtos, from Proto-Indo-European (s)keyd-.
očistiti (Serbo-Croatian): to clean
Ancestry of “očistiti”, step by step