nom de plume
noun/ˌnɒm də ˈpluːm/
/ˌnɑːm də ˈpluːm/
(plural noms de plume
(from French)/ˌnɒm də ˈpluːm/
/ˌnɑːm də ˈpluːm/
)- a name used by a writer instead of their real name
synonym pen name, pseudonym笔名 Word Originearly 19th cent.: formed in English from French words, to render the sense ‘pen-name’, on the pattern of nom de guerre.