Where does “baniaczek” come from?

baniaczek (Polish) comes from English baniak, from Ukrainian баня́к, from Ukrainian баня, from Old East Slavic банꙗ, from Proto-Slavic baňa, from Latin bāneum, from Latin balneum, from Ancient Greek βαλανεῖον — bath-man.

Ancestry of “baniaczek”, step by step

StepLanguageWordMeaning
1EnglishbaniakA fool
2Ukrainianбаня́кcooking pot
3Ukrainianбаняbath; bathhouse; Turkish bath, steam bath
4Old East Slavicбанꙗbath, bathing place
5Proto-Slavicbaňabath, bathing, bathing place; dome; bulging,...
6Latinbāneumattested in Pompeii
7Latinbalneumbath, bathing place, bathroom
8Ancient Greekβαλανεῖονbath, bathing room; bathhouse
9Ancient Greekβᾰλᾰνεύςbath-man
Every word from Ancient Greek βᾰλᾰνεύςEvery word from Ancient Greek βαλανεῖονEvery word from Latin balneum