Where does “Jääst” come from?

Jääst (Saterland Frisian) comes from Old Frisian jest, from Proto-West Germanic jestu, from Proto-Germanic jestuz, from Proto-Indo-European yes- — to foam; to boil.

Jääst (Saterland Frisian): yeast

Definitions

  1. yeast

Ancestry of “Jääst”, step by step

StepLanguageWordMeaning
1Old Frisianjest—
2Proto-West Germanicjestufermentation; byproducts or agents of...
3Proto-Germanicjestuzfermentation; byproducts or agents of...
4Proto-Indo-Europeanyes-to foam; to boil
Every word from Proto-Indo-European yes- →Every word from Proto-Germanic jestuz →Every word from Proto-West Germanic jestu →