Where does “Baniewicz” come from?

Baniewicz (Polish) comes from Polish bania, from Old Polish bania, from Proto-Slavic baňa, from Latin bāneum, from Latin balneum, from Ancient Greek βαλανεῖον, from Ancient Greek βᾰλᾰνεύς — bath-man.

Ancestry of “Baniewicz”, step by step

Step	Language	Word	Meaning
1	Polish	bania	Augmentative of bańka; party; bash; head
2	Old Polish	bania	round necked vessel sometimes in the shape of a skull
3	Proto-Slavic	baňa	bath, bathing, bathing place; dome; bulging,...
4	Latin	bāneum	attested in Pompeii
5	Latin	balneum	bath, bathing place, bathroom
6	Ancient Greek	βαλανεῖον	bath, bathing room; bathhouse
7	Ancient Greek	βᾰλᾰνεύς	bath-man

Every word from Ancient Greek βᾰλᾰνεύς →Every word from Ancient Greek βαλανεῖον →Every word from Latin balneum →