Mid 19th century; earliest use found in William Thackeray (1811–1863), novelist. From classical Latin perspīrāt-, past participial stem of perspīrāreperspire.
Definition of perspirate in US English:
perspirate
verbˈpəːspɪreɪt
rare
no objectTo perspire.
Origin
Mid 19th century; earliest use found in William Thackeray (1811–1863), novelist. From classical Latin perspīrāt-, past participial stem of perspīrāre perspire.