Where does “lavatory” come from?

Lavatory comes from Middle English lavatorie, from Late Latin lavatorium, from Latin lavo meaning "to wash," derived from Proto-Indo-European lewh₃-.

lavatory (English): A vessel or fixture for washing, "particularly:";...

Definitions

  1. A vessel or fixture for washing, "particularly:";...

Ancestry of “lavatory”, step by step

StepLanguageWordMeaning
1Middle EnglishlavatorieA receptacle to hold water used for religious...
2Late LatinlavatoriumA washroom or place, a lavatorium
3Latinlavōto wash, bathe
4Proto-Italiclawaō
5Proto-Indo-Europeanléwh₃eti
6Proto-Indo-Europeanlewh₃-to wash

Words derived from “lavatory

Every word from Proto-Indo-European lewh₃-