As defined by A Concise Dictionary of Old Icelandic (Geir Zoëga):
betra Old Icelandic word can mean:
- (að), v. to better, improve (~ líf sitt);
- refl. to become better;
- impers., þeir sögðu, at konungi ~ðist mjök, that the king felt, much better.
Possible runic inscription in Younger Futhark:ᛒᛁᛏᚱᛅ