Elna

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

elna

(að), v. to wax, grow; sótt elnar á hendr e-m, e-m elnar sóttin, one’s illness becomes worse.

Possible runic inscription in Younger Futhark:ᛁᛚᚾᛅ

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