As defined by the Cleasby & Vigfusson Old Norse to English dictionary:
- u, f. a ‘fell-hole,’ cavern, Sks. 714.
Possible runic inscription in Younger Futhark:ᚠᛁᛅᛚᛚ-ᚼᚢᛚᛅ
Younger Futhark runes were used from 8th to 12th centuries in Scandinavia and their overseas settlements
Works & Authors cited:
- Konungs Skugg-sjá. (H. II.)