- grjótugr, adj. = grjótóttr. Barl. 1826,Mar. 65112.
Part of speech: adj
Possible runic inscription in Medieval Futhork:ᚵᚱᛁᚮᛏᚢᚵᚱ
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.