Úœðr

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

úœðr

a. impassible to wade (vatnföll úœð).

Possible runic inscription in Younger Futhark:ᚢᚢᚦᚱ

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