clairvoyant (n.)youdaoicibaDictYouDict[clairvoyant 词源字典]
1834 in the psychic sense; see clairvoyant (adj.). Earlier it was used in the sense "clear-sighted person" (1794). Fem. form was Clairvoyante.[clairvoyant etymology, clairvoyant origin, 英语词源]
clairvoyant (adj.)youdaoicibaDictYouDict
"having psychic gifts," 1837, earlier "having insight" (1670s), from special use of French clairvoyant "clear-sighted, discerning, judicious" (13c.), from clair (see clear (adj.)) + voyant "seeing," present participle of voir, from Latin videre "to see" (see vision).