Ylgjast

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

ylgjast

(ð), v. refl. to frown, look gloomy (tekr veðrit at y.).

Possible runic inscription in Younger Futhark:ᚢᛚᚴᛁᛅᛋᛏ

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