Ancient Greek λουτρόν

← Mycenaean Greek 𐀩𐀺𐀵𐀫 (cognate)

← Ancient Greek λούω (suffix)

← Ancient Greek τρον (suffix)

← Proto-Hellenic *lewotrón (inherited)

← Proto-Indo-European *lewh₃- (root)

← Proto-Indo-European *lówh₃trom (inherited)

← Proto-Indo-European *lewh₃- (mention)

→ English lather (cognate)

→ Greek λουτρό (inherited)

→ Ancient Greek ἐπίλουτρον (affix)

→ Latin lavabrum (cognate)