Where does “fēst” come from?

fēst (Old Frisian) comes from Proto-West Germanic fūsti, from Proto-Germanic funstiz, from Proto-Indo-European pnsti-, from Proto-Indo-European pnksti-, from Proto-Indo-European pénkʷe — five.

Ancestry of “fēst”, step by step

fēst traces back through two separate lines of ancestry.

via Proto-West Germanic fūsti

StepLanguageWordMeaning
1Proto-West Germanicfūstifist
2Proto-Germanicfunstizfist
3Proto-Indo-Europeanpnsti-—
4Proto-Indo-Europeanpnksti-—
5Proto-Indo-Europeanpénkʷefive

via Proto-Germanic fastuz

StepLanguageWordMeaning
1Proto-Germanicfastuzfixed, firm, secure

Words derived from “fēst”

Every word from Proto-Indo-European pénkʷe →Every word from Proto-Indo-European pnksti- →Every word from Proto-Indo-European pnsti- →