Rusk

Meaning of Old Norse word "rusk"

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

rusk

n. a shaking: ruska, að, to shake rudely.

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