As defined by the Cleasby & Vigfusson Old Norse to English dictionary:
at-orka Old Norse word can mean:
- u, f. energy, activity.
- COMPDS: atorkumaðr, atorkusamr, atorkusemi.
Possible runic inscription in Younger Futhark:ᛅᛏ-ᚢᚱᚴᛅ
Younger Futhark runes were used from 8th to 12th centuries in Scandinavia and their overseas settlements