Erfiðdrœgr

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

erfiðdrœgr

a. difficult to do (varð þeim þat erfiðdrœgt).

Possible runic inscription in Younger Futhark:ᛁᚱᚠᛁᚦᛏᚱᚢᚴᚱ

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