- dumbr, adj. = dumbi; dumbir ok daufirHeilag. II, 1286; gaf hann dumbummál, en daufum heyrn Heilag. I, 28319;jvf Klm. 47015; Barl. 1715. 12232. 1442;dumb kvikindi Barl. 13814; Alex. 16623;dumbar höfuðskepnur Homil. 582;dumbr stafr (dvs. Bogstav) SE. II, 7413.
Part of speech: uten ordklasse
Possible runic inscription in Medieval Futhork:ᛆᚦᛁ
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.