Harðfœrr

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

harðfœrr

a. hard to overcome.

Possible runic inscription in Younger Futhark:ᚼᛅᚱᚦᚠᚢᚱᚱ

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