Glettast

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

glettast

(tt), v. refl. to banter, rail against one, taunt, provoke an enemy (g. við e-n).

Possible runic inscription in Younger Futhark:ᚴᛚᛁᛏᛏᛅᛋᛏ

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