recuperation (n.)youdaoicibaDictYouDict[recuperation 词源字典]
late 15c., "recovery or regaining of things," from Latin recuperationem (nominative recuperatio) "a getting back, regaining, recovery," noun of action from past participle stem of recuperare "get back, regain, get again," in Medieval Latin "revive, convalesce, recover," related to recipere (see receive). Meaning "restoration to health or vigor" is from 1865.[recuperation etymology, recuperation origin, 英语词源]