Etymologically

convictio

Etymology and origin of the Latin word convictio

Etymology tree
inherited borrowed derived
Latin convictio
English conviction

convictio1 companionship

Confidence
Established
Formation
Derivation
First attested
Cicero
Ultimate origin
Latin (vīvō)

Forms

convīctiō f (genitive convīctiōnis); third declension[1]

Etymology

This noun is from convīvō “to live together” with the suffix -tiō, modelled on ⟨convīvor⟩ “to feast together”.[2][1]

Earliest recorded meaning

Köbler's first source is Cicero, whom he dates 81–43 BC, and Cicero's son calls a friend's company iūcundissima.[3][4][5]

Semantic evolution

It meant living with someone, social intercourse, intimacy, and by metonymy a companion, as in Cicero's letter to his brother.[2][5]

Timeline

  • 81–43 BC – Cicero uses it.[3][5]

Meanings

Noun

  1. Companionship, intimacy.[2]
  2. A companion.[2]

convictio2 proof

Confidence
Established
Formation
Derivation
First attested
Augustine
Ultimate origin
Latin (vincō)

Forms

convīctiō f (genitive convīctiōnis); third declension[1]

Etymology

This noun is from convincō “to prove, convict” with the suffix -tiō.[4][5][6]

Earliest recorded meaning

Köbler's first source is Augustine, whom he dates 354–430 AD, and Augustine has convictiō rērum “demonstration of things”.[3][4]

Semantic evolution

In Ecclesiastical Latin it meant demonstration, convincing proof.[4][5]

British Medieval Latin used it for a jury's finding, a verdict, a finding of guilt, and a fine.[7] It gave English conviction in the mid-15th century, “the finding of guilt of an offence charged”.[6]

Timeline

  • 354–430 AD – Augustine uses it.[3][4]
  • mid-15th century – English conviction is recorded.[6]

Meanings

Noun

  1. (Ecclesiastical Latin) Proof, demonstration.[4]
  2. (Medieval Latin) A verdict; conviction.[7]

References

  1. ^ a b c Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  3. ^ a b c d Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  4. ^ a b c d e f Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  5. ^ a b c d e Gaffiot, Félix (2016), Dictionnaire latin-français, new ed. by Gérard Gréco et al. (Gaffiot 2016), online ed.
  6. ^ a b c Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  7. ^ 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

Borrowed into

Cite this entry

“Convictio.” Etymologically, 16 Oct. 2026, etymologically.com/la/convictio. Accessed 16 Oct. 2026.

Last edited on . ·