英语词源字典 - 在线词源网站

sanguineous (adj.)[sanguineous 词源字典]: "pertaining to blood," 1510s, from Latin sanguineus, from sanguin-, stem of sanguis (see sanguinary).[sanguineous etymology, sanguineous origin, 英语词源]
exsanguine: "Bloodless; anaemic", Mid 17th century: from ex-¹ 'out' + Latin sanguis, sanguin- 'blood'.
exsanguination: "The action of draining a person, animal, or organ of blood", Early 20th century: from Latin exsanguinatus 'drained of blood' (from ex- 'out' + sanguis, sanguin- 'blood') + -ion.