Etymologically

plagiarius

Etymology and origin of the Latin word plagiarius

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

Forms

plagiārius m (genitive plagiāriī or plagiārī); second declension[1]

Etymology

It is from plagium “kidnapping” with the suffix -ārius.[2][1] The TLL derives it from plaga “net”, like ⟨rētiārius⟩, first meaning one who sets nets to catch.[3][4]

Earliest recorded meaning

Köbler's first source is Cicero, whom he dates 81–43 BC, and Cicero calls Licinius a plagiārius exacting tribute.[4][5]

Semantic evolution

It meant a kidnapper, one who stole others' slaves or bought or sold a free man as a slave, as in Cicero.[2][6] Lewis and Short render it a torturer, oppressor, plunderer.[5]

In Ecclesiastical Latin it meant a kidnapper, robber.[7] It was borrowed into French plagiaire and Italian plagiario, and English plagiarism is recorded from the 1620s.[1][8]

Timeline

  • 81–43 BC – Cicero uses it of Licinius.[5][4]
  • 1620s – English plagiarism is recorded.[8]

Meanings

Noun

  1. A kidnapper; an oppressor.[2][5]

Word family

  • plagiāria

References

  1. ^ a b c Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  3. ^ Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften
  4. ^ a b c Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  5. ^ a b c d Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  6. ^ Gaffiot, Félix (2016), Dictionnaire latin-français, new ed. by Gérard Gréco et al. (Gaffiot 2016), online ed.
  7. ^ Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson
  8. ^ a b Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
Cite this entry

“Plagiarius.” Etymologically, 16 Oct. 2026, etymologically.com/la/plagiarius. Accessed 16 Oct. 2026.

Last edited on . ·