Where does “ojäst” come from?

ojäst (Swedish) comes from Swedish jäst, from Old Swedish iæster, from Old Norse jǫstr, from Proto-Germanic jestuz, from Proto-Indo-European yes- — to foam; to boil.

ojäst (Swedish): unfermented

Definitions

  1. unfermented

Ancestry of “ojäst”, step by step

ojäst traces back through two separate lines of ancestry.

via Swedish jäst

StepLanguageWordMeaning
1Swedishjästyeast
2Old Swedishiæster
3Old Norsejǫstryeast
4Proto-Germanicjestuzfermentation; byproducts or agents of...
5Proto-Indo-Europeanyes-to foam; to boil

via Swedish o

StepLanguageWordMeaning
1SwedishoO; the letter o; the Greek letter omega, being...
Every word from Proto-Indo-European yes-Every word from Proto-Germanic jestuzEvery word from Old Norse jǫstr