- íllskaldr, adj. forbitret over noget, moden; verðr honum svá íllskalt við hvárt-tveggja samt, at - Sturl. I, 56.
Part of speech: adj
Possible runic inscription in Medieval Futhork:ᛁᛚᛚᛋᚴᛆᛚᚦᚱ
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.