upbreak

verb

1. (intransitive)To break upwards; to force away or passage to the surface.

noun

1. A break-up or division.

   “The most ignorant will be wiser than the wisest now is by the time these words can be published, but we think this anticipation is likely to be realised: the probability of upbreak in the "Church" itself increases as the hour of the meeting of the Council approaches.”

2. A breaking upward or bursting forth; an upburst.

   “the upbreak of the fountains of my heart”