Sund-magi

Meaning of Old Norse word "sund-magi"

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

sund-magi

a, m. ‘swim-maw,’ the bladder of a fish.

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