recuperation
US /rɪˌkuː.pərˈeɪ.ʃən/
UK /rɪˌkuː.pərˈeɪ.ʃən/

1.
the action or process of regaining health or strength
:
•
After the surgery, he needed a long period of recuperation.
•
The warm climate aided her rapid recuperation.
2.
the action or process of recovering or regaining something lost or taken
:
•
The team focused on the recuperation of lost data after the system crash.
•
The country's economic recuperation is a slow but steady process.