Where does “yeast” come from?

yeast (English) comes from Middle English yest, from Old English ġist, from Proto-West Germanic jestu, from Proto-Germanic jestuz, from Proto-Indo-European yes- — to foam; to boil.

yeast (English): An often humid, yellowish froth produced by...

Definitions

  1. An often humid, yellowish froth produced by...

Ancestry of “yeast”, step by step

StepLanguageWordMeaning
1Middle EnglishyestAlternative form of geste; The broth or foam...
2Old Englishġist—
3Proto-West Germanicjestufermentation; byproducts or agents of...
4Proto-Germanicjestuzfermentation; byproducts or agents of...
5Proto-Indo-Europeanyes-to foam; to boil

Words derived from “yeast”

Every word from Proto-Indo-European yes- →Every word from Proto-Germanic jestuz →Every word from Proto-West Germanic jestu →