AletheayoudaoicibaDictYouDict[Alethea 词源字典]
fem. proper name, from Greek aletheia "truth, truthfulness," from alethes "true," literally "not concealing," from privative prefix a- "not" (see a- (3)) + lethe "forgetfulness, oblivion" (see latent).[Alethea etymology, Alethea origin, 英语词源]