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oratorius

Etymology and origin of the Latin word oratorius

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Confidence
Established
Formation
Derivation
First attested
Rhetorica ad Herennium
Ultimate origin
Latin (ōrō)

Pronunciation

  • IPA (Classical): [oː.raːˈtoː.ri.ʊs][1]
  • IPA (Ecclesiastical): [o.raˈtɔː.ri.us][1]

Forms

ōrātōrius (feminine ōrātōria, neuter ōrātōrium); first/second-declension adjective[1]

Etymology

It is from ōrātor “speaker” with the suffix -ius, from ōrō “to speak, plead”.[2][1]

Earliest recorded meaning

The OLD's earliest citation is from the Rhetorica ad Herennium, “oratorical”.[2] Köbler dates it 86/82 BC.[3]

Semantic evolution

It meant of oratory, oratorical, and in Cicero suitable for an orator, as ōrnāmenta ōrātōria.[2][4] The feminine ōrātōria (ars) was the art of oratory.[5]

British Medieval Latin used it for rhetorical, forensic, and of prose.[6] Italian oratorio, named from the oratory of St Philip Neri where such pieces were performed, gave English oratorio in 1727.[5] Ars ōrātōria gave English oratory “public speaking” in the 1580s.[5]

Timeline

  • 86/82 BC – The Rhetorica ad Herennium uses it.[2][3]
  • 81–43 BC – Cicero uses it.[4][3]
  • 1580s – English oratory is recorded.[5]
  • 1727 – English oratorio is recorded.[5]

Meanings

Adjective

  1. Of oratory, oratorical.[2]
  2. Suitable for an orator.[2]

Word family

  • ōrātōria

References

  1. ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  3. ^ a b c Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  4. ^ a b Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  5. ^ a b c d e Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  6. ^ 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
Cite this entry

“Oratorius.” Etymologically, 16 Oct. 2026, etymologically.com/la/oratorius. Accessed 16 Oct. 2026.

Last edited on . ·