- skyldfastr, adj. = skuldfastr; ef hann erí skuld tekinn áðr -, þá skal hannfara at bjóða fyrir hann jafnmikit fé,sem hann er skyldfastr, ok skal hannþá ór leysask þaðan ór skuldinni Grg.II, 412.
Part of speech: adj
Possible runic inscription in Medieval Futhork:ᛋᚴᛦᛚᚦᚠᛆᛋᛏᚱ
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.