As defined by the Cleasby & Vigfusson Old Norse to English dictionary:
- f. pl. calm, frosty weather, said to prevail in this month.
Possible runic inscription in Younger Futhark:ᚦᚢᚱᚱᛅ-ᚴᚢᚱᚱᚢᚱ
Younger Futhark runes were used from 8th to 12th centuries in Scandinavia and their overseas settlements