Yfrinn

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

yfrinn

a. over-great, abundant, large, = ýrinn, œrinn (nil eru ok yfrin efni til, því at ekki skortir oss lið); neut. as adv. very (yfrit mikill, djarfr, lengi).

Possible runic inscription in Younger Futhark:ᚢᚠᚱᛁᚾᚾ

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