Where does “bainujantzi” come from?

bainujantzi (Basque) comes from Basque bainu, from Spanish baño, from Old Spanish banno, from Latin bāneum, from Latin balneum, from Ancient Greek βαλανεῖον, from Ancient Greek βᾰλᾰνεύς — bath-man.

bainujantzi (Basque): bathrobe, swimsuit

Definitions

bathrobe, swimsuit

Ancestry of “bainujantzi”, step by step

bainujantzi traces back through two separate lines of ancestry.

via Basque bainu

Step	Language	Word	Meaning
1	Basque	bainu	bathing
2	Spanish	baño	bath; bathroom; toilet
3	Old Spanish	banno	bath, bathing pool
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

via Basque jantzi

Step	Language	Word	Meaning
1	Basque	jantzi	clothes, clothing
2	Proto-Basque	*-antz-	—

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