expression, godan verb (-su)
resume breathing; come around; come back to life
Used for someone who has stopped breathing or lost consciousness and then recovers; can also be used figuratively for things that revive or regain vitality.
溺れた子供は人工呼吸で息を吹き返した。
The drowned child resumed breathing thanks to artificial respiration.
In spring, the tree I thought was dead comes back to life.