1481, "recovery or regaining of things," from L.
recuperationem (nom.
recuperatio), from
recuperatus, pp. of
recuperare "recover," related to
recipere (see
receive). Meaning "restoration to health or vigor" is from 1865.
Recuperate (v.) is attested from 1542, "to bring (something) back, to recover" anything, material or immaterial; meaning "to recover from sickness or loss" is from 1864.