Æðar-dún

Meaning of Old Norse word "æðar-dún"

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

æðar-dún

m. eider-down,

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