Where does “biergist” come from?

biergist (Dutch) comes from Dutch gist, from Middle Dutch gest, from Old Dutch gēst, from Old Dutch gist, from Proto-West Germanic jestu, from Proto-Germanic jestuz, from Proto-Indo-European yes- — to foam; to boil.

biergist (Dutch): A species of yeast, "Saccharomyces cerevisiae",...

Definitions

  1. A species of yeast, "Saccharomyces cerevisiae",...

Ancestry of “biergist”, step by step

biergist traces back through two separate lines of ancestry.

via Dutch gist

StepLanguageWordMeaning
1Dutchgistyeast
2Middle Dutchgestyeast
3Old Dutchgēst—
4Old Dutchgist—
5Proto-West Germanicjestufermentation; byproducts or agents of...
6Proto-Germanicjestuzfermentation; byproducts or agents of...
7Proto-Indo-Europeanyes-to foam; to boil

via Dutch bier

StepLanguageWordMeaning
1Dutchbierbeer; a serving of beer; a variety of beer
2Middle Dutchbierbeer
3Old Dutchbierbeer
4Proto-West Germanicbeuʀbeer
5Proto-Germanicbeuząbeer
6Proto-Indo-Europeanbʰews-dross, sediment; dross, sediment, brewer's yeast
Every word from Proto-Indo-European yes- →