Etymologically

Etymology and origin of the Latin word collusor

Confidence
Established
Formation
Derivation
First attested
c. 180–102 BC, Lucilius
Ultimate origin
Latin lūdō
Etymology tree
inherited borrowed derived
Latin ludo
Latin colludo
Latin collusor
From the same root
Latin alludo ← ludo
Latin deludo ← ludo
Latin illudo ← ludo
Latin lusor ← ludo
Latin lusorius ← ludo
Latin proludo ← ludo

Pronunciation

  • Classical: [kɔlˈluː.sɔr][1]
  • Ecclesiastical: [kolˈluː.s̬or][1]

Forms

collūsor m (genitive collūsōris); third declension[1] It is also spelled conlūsor.[2][3]

Etymology

It is from Latin collūdō (“to play together”) + -tor.[2][1][4] That verb is formed with con- from lūdō (“to play”),[2] which goes back to Proto-Italic *loid-e/o- (“to play”) and Proto-Indo-European *loid- (“to let go frequently, play”).[5]

Earliest recorded meaning

It is first found in Lucilius,[6] in the sense of a fellow gambler: Coelius, collūsor Gallōnī, “Coelius, the gaming partner of Gallonius”.[2]

Semantic evolution

It meant a companion in play, of children and of games of skill: Seneca uses it of the partner to whom a good player throws the ball differently according to his height,[2][7] Pliny the Younger of a dolphin that carried boys and played with them, and Juvenal of a puppy as a country child's playmate.[2][7] It was used especially of a fellow gambler at dice: Cicero speaks of land shared out comprānsōribus tuīs et collūsōribus, “among your fellow diners and fellow gamblers”.[2][6] An inscription uses it of fellow participants in Salian song and dance.[7]

In the jurists and in the Theodosian Code it took on the sense of one who acts in collusion with another to the harm of a third party.[2][3][7] Medieval writers used it of a playmate, of a fellow mocker, and of a partner at dice: a Lincoln statute of about 1425 complains of someone who plays at dice without stopping and loses twice to suum collūsōrem sīve illūsōrem, “his fellow player or deceiver”.[8][9]

Timeline

  • c. 180–102 BC – Lucilius uses it of a gaming partner.[2][10]
  • 81–43 BC – Cicero uses it of fellow gamblers.[2][10]
  • 4 BC–65 AD – Seneca uses it of a partner at ball games.[2][10]
  • c. 67–c. 127 AD – Juvenal uses it of a child's puppy.[2][10]
  • before 223 AD – Ulpian uses it of people acting in collusion.[2][10]
  • 438 AD – The Theodosian Code uses it in the legal sense.[3][10]
  • c. 1425 – A Lincoln statute uses it of a partner at dice.[9]

Meanings

Noun

  1. A playmate, playfellow (also of animals).[2][3]
  2. A fellow gambler, a partner at dice.[2][7]
  3. (law) One who acts in collusion, an accomplice.[2][3][11]
  4. (Medieval Latin) A fellow mocker.[8]

References

  1. ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j k l m n o p Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  3. ^ a b c d e Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  4. ^ Bianchi, Rossella; Lelli, Olga (2014), VOLI: Vocabolario di latino, Florence: Le Monnier
  5. ^ de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
  6. ^ a b Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften
  7. ^ a b c d e Georges, Karl Ernst (1913–1918), Ausführliches lateinisch-deutsches Handwörterbuch, 8th ed., ed. Heinrich Georges, Hannover; Leipzig: Hahn
  8. ^ a b Mittellateinisches Wörterbuch bis zum ausgehenden 13. Jahrhundert (1967–), Munich: C. H. Beck; Bayerische Akademie der Wissenschaften
  9. ^ a b Latham, R. E., D. R. Howlett, R. K. Ashdowne, et al. (1975–2013), Dictionary of Medieval Latin from British Sources, London: British Academy / Oxford University Press
  10. ^ a b c d e f Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  11. ^ Gaffiot, Félix (2016), Dictionnaire latin-français, new ed. by Gérard Gréco et al. (Gaffiot 2016), online ed.
Cite this entry

“Collusor.” Etymologically, 20 Oct. 2026, etymologically.com/la/collusor. Accessed 22 Oct. 2026.

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