quidam

From Latin quīdam.

quidam (plural quidams)

1. A nobody; a person of no importance. [from 16th c.]
   • 1603, Michel de Montaigne, translated by John Florio, Essays, III.12:

     A quidam gallant determined upon a time to surprise both my house and my selfe.

   • 1792, Thomas Holcroft, Anna St. Ives, vol. IV, letter 77:

     She singing a miserable ditty, a bead-roll of lamentable rhymes, strung together by this Quidam!—This Henley!

• IPA^(key): /ki.dam/

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quidam m (plural quidams)

1. used to designate persons whose name are unknown or not mentioned
2. a person whose identity is not indicated, in a conversation, a writing
3. individual

• “quidam”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

From quis +‎ -dam (indefinite adverbial suffix). Compare quondam (“at one time”).

• (Classical) IPA^(key): /ˈkʷiː.dam/, [ˈkʷiːd̪ä̃ˑ]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈkwi.dam/, [ˈkwiːd̪äm]

quīdam (feminine quaedam, neuter quiddam); relative/interrogative pronoun (with m optionally → n in compounds) with an indeclinable portion

1. someone, a certain one/thing; something
   • (Can we date this quote?), Seneca, Epistulae ad Luculium, III, 28:

     Quidam vitiis gloriantur.

     (please add an English translation of this quotation)

Not to be confused with quidem.

Indefinite pronoun.

¹An alternative masculine nominative/accusative plural form quēsdam occurs in Accius.
²The genitive singular was spelled quoiusdam before the Augustan period.
³The dative singular was spelled quoidam before the Augustan period.
⁴The dative/ablative plural has a rare alternative form quīsdam/queisdam.

quīdam (feminine quaedam, neuter quoddam); relative/interrogative pronoun (with m optionally → n in compounds) with an indeclinable portion

1. a certain (person or thing), some (person or thing), one (in the sense of "a specific" person or thing not previously introduced in the present discourse)
   • c. 62 BCE, Cicero, chapter 1, in Pro Archia Poeta‎, §2:

     etenim omnes artes, quae ad humanitatem pertinent, habent quoddam commune vinculum et quasi cognatione quadam inter se continentur.

     Indeed all the arts, which pertain to humanity, have some common link and by a certain almost-kindred are held together.

Indefinite determiner.

¹The genitive singular was spelled quoiusdam before the Augustan period.
²The dative singular was spelled quoidam before the Augustan period.
³The dative/ablative plural has a rare alternative form quīsdam/queisdam.

• “quidam”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “quidam”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• quidam in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• quidam in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• Carl Meißner, Henry William Auden (1894) Latin Phrase-Book‎, London: Macmillan and Co.
  • I have a few words to say on this: mihi quaedam dicenda sunt de hac re