- býrefni, n. = bjárefni; som Stedsnavn: Býrefni í Helene sókn á Vimom Dn.III, 9457.
Part of speech: n
Possible runic inscription in Medieval Futhork:ᛒᛦᚱᚽᚠᚿᛁ
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.