Where does “bannar” come from?

bannar (Old Portuguese) comes from Vulgar Latin baneare, from Latin balneāre, from Latin balneum, from Ancient Greek βαλανεῖον, from Ancient Greek βᾰλᾰνεύς — bath-man.

Ancestry of “bannar”, step by step

Step	Language	Word	Meaning
1	Vulgar Latin	baneare	to bathe oneself
2	Latin	balneāre	—
3	Latin	balneum	bath, bathing place, bathroom
4	Ancient Greek	βαλανεῖον	bath, bathing room; bathhouse
5	Ancient Greek	βᾰλᾰνεύς	bath-man

Words derived from “bannar”

bañar
banhar

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