- ísfrosinn, adj. frossen til Is; ísfrosinnsnær Heilag. I, 33535; sat á einu stöðu-vatni, er allt var ísfrosit Heilag. I, 34422.
Part of speech: adj
Possible runic inscription in Medieval Futhork:ᛁᛋᚠᚱᚮᛋᛁᚿᚿ
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.