Origin: 1790–1800; < Late Latinexsanguinātus bloodless, deprived of blood (past participle of exsanguināre), equivalent to Latinex-ex-1 + sanguin- (stem of sanguis blood; see sanguine) + -ātus-ate1
1849, from L. exsanguinat-, pp. stem of exsanguinare, from ex- "out," + sanguinem (nom. sanguis) "blood" (see sanguinary). Related: Exsanguinated; exsanguinating; exsanguination. As an adjective, exsanguine "bloodless" is attested from mid-17c. in literal and figurative use.