Úmætta

As defined by A Concise Dictionary of Old Icelandic (Geir Zoëga):

úmætta

v. impers., e-n úmættir, one loses strength, faints away.

Possible runic inscription in Younger Futhark:ᚢᛘᛅᛏᛏᛅ

Also available in related dictionaries:

This headword also appears in dictionaries of other languages closely related to Old Icelandic.

• Old Norwegian - Johan Fritzner's Dictionary