Grann-vitr

Meaning of Old Norse word "grann-vitr"

As defined by the Cleasby & Vigfusson Old Norse to English dictionary:

grann-vitr

adj. thin-witted, silly.

Possible runic inscription in Younger Futhark:ᚴᚱᛅᚾᚾ-ᚢᛁᛏᚱ
Younger Futhark runes were used from 8th to 12th centuries in Scandinavia and their overseas settlements