Erfidisneyð

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

erfidisneyð

f. grinding labour.

Possible runic inscription in Younger Futhark:ᛁᚱᚠᛁᛏᛁᛋᚾᛁᚢᚦ

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