Aust-mörk

Meaning of Old Norse word "aust-mörk" (or aust-mǫrk)

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

aust-mörk (aust-mǫrk)

f. the east mark, i. e. the east, Ýt. 4.

Orthography: The Cleasby & Vigfusson book used letter ö to represent the original Old Norse vowel ǫ. Therefore, aust-mörk may be more accurately written as aust-mǫrk.

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