Mid 17th century; earliest use found in Thomas Blount (1618–1679), antiquary and lexicographer. In sense 1 from recuperate + -ory, originally after classical Latin recuperātōrius.
Definition of recuperatory in US English:
recuperatory
adjectiverɪˈk(j)uːp(ə)rət(ə)ri
Recuperative.
Origin
Mid 17th century; earliest use found in Thomas Blount (1618–1679), antiquary and lexicographer. In sense 1 from recuperate + -ory, originally after classical Latin recuperātōrius.