pseudonym: [19] Pseudonym comes via French pseudonyme from Greek pseudónumon, a compound formed from pseudés ‘false’ and ónoma ‘name’. Pseudés, a derivative of the verb pseúdein ‘lie’, has given English the prolific prefix pseudo-, which in the mid 20th century yielded the noun and adjective pseud. => name[pseudonym etymology, pseudonym origin, 英语词源]