Erfiði

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

erfiði

n. trouble, toil, labor; höfum ~ ok ekki erendi, we have the toil, but no result.

Possible runic inscription in Younger Futhark:ᛁᚱᚠᛁᚦᛁ

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