Þursa-berg

Meaning of Old Norse word "þursa-berg"

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

þursa-berg

n. ‘giant-rock,’ a kind of whetstone or hone, cp. the legend of Hrungnir.

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