recuperator

Either borrowed from Latin recuperator (“a recoverer”) or coined directly in English as recuperate +‎ -or.

recuperator (plural recuperators)

1. A person who recuperates, or regains their health.
2. A regenerator (heating device).

recuperātor m (genitive recuperātōris); third declension

1. alternative form of reciperātor

Third-declension noun.

recuperātor

1. second/third-person singular future passive imperative of recuperō

• “recuperator”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• "recuperator", in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)

Borrowed from French récupérateur. By surface analysis, recupera +‎ -tor.

recuperator n (plural recuperatoare)

1. recuperator