Œsing

As defined by A Concise Dictionary of Old Icelandic (Geir Zoëga):

œsing

f. vehemence, fury (með svá miklum ~i, at).

Possible runic inscription in Younger Futhark:ᚢᛋᛁᚾᚴ

Also available in related dictionaries:

This headword also appears in dictionaries of other languages closely related to Old Icelandic.

• Old Norwegian - Johan Fritzner's Dictionary