Gerund functioning as an uncountable noun denoting the act or process of recovery.
Definitionen
The act or process of recovering from illness, injury, or fatigue. Recuperating in the countryside took longer than he expected.
recuperategerundium / partizip präsens Used attributively to denote someone or something that is in the process of recovering.
Definitionen
Undergoing recovery from illness, exertion, or difficulty. The recuperating soldiers were transferred to a convalescent ward.