Braga

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

braga

(að), v. to flicker, flash (of the northern lights).

Possible runic inscription in Younger Futhark:ᛒᚱᛅᚴᛅ

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