Ørviti

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

ørviti

a. out of one’s senses, frantic, mad; banvænn ok nær ~, sinking fast and well-nigh senseless.

Possible runic inscription in Younger Futhark:ᚢᚱᚢᛁᛏᛁ

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