Where does “gēst” come from?

gēst (Old 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 “gēst”, step by step

gēst traces back through 3 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 Proto-Germanic gaistaz

StepLanguageWordMeaning
1Proto-Germanicgaistazterror, fear; spirit, ghost; mind
2Proto-Indo-Europeanǵʰeysd-anger, agitation

via Proto-Germanic gais-

StepLanguageWordMeaning
1Proto-Germanicgais-infertile

Words derived from “gēst”

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