Brast

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

brast

from bresta.

Possible runic inscription in Younger Futhark:ᛒᚱᛅᛋᛏ

Also available in related dictionaries:

This headword also appears in dictionaries of other languages closely related to Old Icelandic.

• Old Swedish - K.F Söderwall's Dictionary