Where does “vat” come from?

vat (Middle English) comes from Middle English fat, from Old English fæt, from Proto-West Germanic fait, from Proto-Germanic faitaz, from Proto-Indo-European poyH-, from Proto-Indo-European peyH- — fat, milk.

Ancestry of “vat”, step by step

StepLanguageWordMeaning
1Middle Englishfatvat, vessel, cask
2Old Englishfætvessel, cup; gold plate
3Proto-West Germanicfaitfat
4Proto-Germanicfaitazfat
5Proto-Indo-EuropeanpoyH-—
6Proto-Indo-EuropeanpeyH-fat, milk

Words derived from “vat”

Every word from Proto-Indo-European peyH- →Every word from Proto-Indo-European poyH- →Every word from Proto-Germanic faitaz →