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
- i. e.
- id est.