Where does “Frísia” come from?

Frísia (Catalan) comes from Latin Frisia, from Latin Frisii, from Proto-Germanic frisaz — curled; curly; crisp.

Ancestry of “Frísia”, step by step

StepLanguageWordMeaning
1LatinFrisiaterritory of the Frisians
2LatinFrisiiFrisians; the Frisians
3Proto-Germanicfrisazcurled; curly; crisp
Every word from Proto-Germanic frisaz →Every word from Latin Frisii →Every word from Latin Frisia →