Skarpeggr

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

skarpeggr

a. keen-edged.

Possible runic inscription in Younger Futhark:ᛋᚴᛅᚱᛒᛁᚴᚴᚱ

Also available in related dictionaries:

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

• Old Norse - Cleasby & Vigfusson Dictionary