recovery of spirits; rejuvenation; refection
Refers to regaining one's mental or physical energy, often after fatigue, illness, or discouragement. 'Refection' is a rare English equivalent meaning refreshment with food or rest.
I recovered my spirits on a hot spring trip.
Adequate sleep is essential for rejuvenation.
Compound of 元気 (genki, 'energy, spirits') and 回復 (kaifuku, 'recovery').