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