Öflgast

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

öflgast

(að), v. refl. to get strong, wax (þá öflgaðist ágirni til fjár); ~ í móti e-m, to rise strong against.

Possible runic inscription in Younger Futhark:ᚢᚠᛚᚴᛅᛋᛏ

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