As defined by the Cleasby & Vigfusson Old Norse to English dictionary:
- m. the all-swift, name of the sun-horse, Gm.: of a constellation, Sdm.
Possible runic inscription in Younger Futhark:ᛅᛚ-ᛋᚢᛁᚦᚱ
Younger Futhark runes were used from 8th to 12th centuries in Scandinavia and their overseas settlements
Works & Authors cited:
- Grímnis-mál. (A. I.)
- Sigrdrífu-mál. (A. II.)