unbreak
verbEtymology From un- + break, popularised in songs sung by The Alarm (Unbreak the Promise) and Toni Braxton (Unbreak My Heart).
1
To do the inverse or opposite of breaking: to mend, restore, heal, or fix; to make no longer broken.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.