Where does “очища́ть” come from?
очища́ть (Russian) comes from Russian очи́стить, from Russian чи́стить, from Proto-Slavic čistiti, from Proto-Slavic čistъ, from Proto-Balto-Slavic skīstas, from Proto-Indo-European skidtos, from Proto-Indo-European (s)keyd-.
Ancestry of “очища́ть”, step by step
Words derived from “очища́ть”