- háskafullr, adj. farefuld, farlig; háska-fullt haf Heilag. I, 654.
Part of speech: adj
Possible runic inscription in Medieval Futhork:ᚼᛆᛋᚴᛆᚠᚢᛚᛚᚱ
Medieval Runes were used in Norway from 11th to 15th centuries.
Futhork was a continuation of earlier Younger Futhark runes, which were used to write Old Norse.