Œsi-

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

œsi-

with adjectives and nouns, violently, very (œsimikill, œsihvatlig).

Possible runic inscription in Younger Futhark:ᚢᛋᛁ-

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