Where does “levre” come from?

levre (Middle English) comes from Old English læfer, from Latin laver, from Latin lavo, from Proto-Italic lawaō, from Proto-Indo-European léwh₃eti, from Proto-Indo-European lewh₃- — to wash.

Ancestry of “levre”, step by step

levre traces back through two separate lines of ancestry.

via Old English læfer

StepLanguageWordMeaning
1Old Englishlæferreed, rush
2Latinlavera water-plant, possibly water parsnip;...
3LatinlavoI wash, bathe; I wet, moisten
4Proto-Italiclawaō
5Proto-Indo-Europeanléwh₃eti
6Proto-Indo-Europeanlewh₃-to wash

via Old English leber

StepLanguageWordMeaning
1Old Englishlebera rush
Every word from Proto-Indo-European lewh₃-