Where does “gist” come from?

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

Ancestry of “gist”, step by step

gist traces back through two separate lines of ancestry.

via Old Dutch gist

StepLanguageWordMeaning
1Old Dutchgist
2Proto-West Germanicjestufermentation; byproducts or agents of...
3Proto-Germanicjestuzfermentation; byproducts or agents of...
4Proto-Indo-Europeanyes-to foam; to boil

via Old Dutch gest

StepLanguageWordMeaning
1Old Dutchgest
Every word from Proto-Indo-European yes-Every word from Proto-Germanic jestuzEvery word from Proto-West Germanic jestu