As defined by the Cleasby & Vigfusson Old Norse to English dictionary:
- u, f., botan. the common avens, geum rivale.
Possible runic inscription in Younger Futhark:ᛋᚢᛚ-ᛋᛁᚴᚢᛁᛅ
Younger Futhark runes were used from 8th to 12th centuries in Scandinavia and their overseas settlements