Mannsvit

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

mannsvit

n. ‘man’s wit’, human understanding (hundrinn hefir ~).

Possible runic inscription in Younger Futhark:ᛘᛅᚾᚾᛋᚢᛁᛏ

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