Where does “Ostfriesin” come from?

Ostfriesin (German) comes from German Ostfriese, from German Friese, from Latin Frisii, from Proto-Germanic frisaz — curled; curly; crisp.

Ancestry of “Ostfriesin”, step by step

StepLanguageWordMeaning
1GermanOstfrieseEast Frisian, male person from East Frisia; a...
2GermanFrieseFrisian; Friesian horse, Frisian horse
3LatinFrisiiFrisians; the Frisians
4Proto-Germanicfrisazcurled; curly; crisp
Every word from Proto-Germanic frisaz →
Ostfriesin — Etymology, Origin & Word History | Etymology Explorer