Móður-amma

Meaning of Old Norse word "móður-amma"

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

móður-amma

u, f. mother’s grandmother.

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