Skapraun

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

skapraun

f. trial of one’s temper, vexation, annoyance; ferr svá um mörg mál, þótt menn hafi ~ af, although they try men’s tempers.

Possible runic inscription in Younger Futhark:ᛋᚴᛅᛒᚱᛅᚢᚾ

Also available in related dictionaries:

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

• Old Norse - Cleasby & Vigfusson Dictionary
• Old Norwegian - Johan Fritzner's Dictionary