Where does “lavras” come from?

lavras (Old French) comes from Latin labra, from Latin labrum, from Latin lavo, from Proto-Italic lawaō, from Proto-Indo-European léwh₃eti, from Proto-Indo-European lewh₃- — to wash.

Ancestry of “lavras”, step by step

StepLanguageWordMeaning
1Latinlabranominative plural of labrum; accusative plural of...
2Latinlabrumlip; edge, margin, brim, lip; A bathing tub,...
3LatinlavoI wash, bathe; I wet, moisten
4Proto-Italiclawaō—
5Proto-Indo-Europeanléwh₃eti—
6Proto-Indo-Europeanlewh₃-to wash
Every word from Proto-Indo-European lewh₃- →Every word from Proto-Indo-European léwh₃eti →Every word from Proto-Italic lawaō →