Where does “czyścioszka” come from?
czyścioszka (Polish) comes from Polish czyścioszek, from Polish czyścioch, from Polish czyścić, from Proto-Slavic čistiti, from Proto-Slavic čistъ, from Proto-Balto-Slavic skīstas, from Proto-Indo-European skidtos, from Proto-Indo-European (s)keyd-.