Súrsa

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

súrsa

að, to pickle; súrsuð svið, roasted and pickled sheep’s-head.

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