Skakk-horn

Meaning of Old Norse word "skakk-horn"

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

skakk-horn

n. a diagonal; í skakkhorn, diagonally, 415. 18.

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