Hnakka-gróf

Meaning of Old Norse word "hnakka-gróf"

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

hnakka-gróf

f. the ‘nape-pit,’ hollow in the nape of the neck.

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