Œrr

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

œrr

a. mad furious (~ ok ørvita).

Possible runic inscription in Younger Futhark:ᚢᚱᚱ

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