- yfirmysteri, n. í Rómaborg ero 5 yfir-mysteri Hb. 414.
Part of speech: n
Possible runic inscription in Medieval Futhork:ᛦᚠᛁᚱᛘᛦᛋᛏᚽᚱᛁ
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.