Auð-

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

auð-

adverbial prefix to a great many adjectives, adverbs, and participles (opp. to tor-), easily.

Possible runic inscription in Younger Futhark:ᛅᚢᚦ-

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