As defined by A Concise Dictionary of Old Icelandic (Geir Zoëga):
- n., um or á ~um, late in the evening.
Possible runic inscription in Younger Futhark:ᛋᛁᚦᚴᚢᛁᛚᛏ
Also available in related dictionaries:
This headword also appears in dictionaries of other languages closely related to Old Icelandic.