From Wiktionary, the free dictionary
From Old Frisian frēsisk.
frasch
- (Mooring) Frisian (of or relating to the Frisian language generally)
- (Mooring) Frisian (of or relating to the natives or inhabitants of Frisia, or to people of Frisian descent)
- (Mooring) Frisian (of or relating to the region of Frisia)