Leirugr

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

leirugr

a. clayey, muddy.

Possible runic inscription in Younger Futhark:ᛚᛁᛁᚱᚢᚴᚱ

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