Etymology and origin of the Latin word pactio
- Confidence
- Established
- Formation
- Derivation
- First attested
- c. 250–184 BC, Plautus
- Ultimate origin
- Proto-Indo-European (*peh₂ḱ-)
Forms
pactiō f (genitive pactiōnis); third declension[1]
Etymology
It is formed from pacīscor (“to agree, bargain”) with the suffix -tiō.[2][1] De Vaan treats the verb with pāx (“peace”), from Proto-Italic *pak-e/o- (“to make an agreement”) and Proto-Indo-European *ph₂ḱ- (“to make an agreement”), beside the noun *peh₂ḱ- (“agreement”).[3] Cognate with Umbrian pase (“peace”), Sanskrit पाश (pā́śa-, “snare, noose”) and Gothic 𐍆𐌰𐌷𐌰𐌽 (fāhan, “to catch”).[3]
Earliest recorded meaning
Köbler gives Plautus as its first author,[4] who has it of a marriage settlement in the Aulularia: “now he wants, I know, to come to terms with me”.[2]
Semantic evolution
It is an agreement or compact, in Cicero beside law, custom and judgement, and the Digest defines it as the agreement of two or more on one matter.[2][5] With a genitive it is an agreement to pay or give something for an expected advantage, a corrupt bargain, as Cicero's consuls bought by a bargain over provinces.[2][5][1] In particular contexts it is terms agreed between belligerents, a truce, a marriage settlement, as in Plautus, and a settlement of a lawsuit.[2][1]
Church Latin glosses it “bargain, contract, agreement, covenant”.[6] In medieval Latin it is also a treaty document and a lease,[7] and Köbler finds it in the capitularies, formulae and law codes.[4]
Timeline
- c. 250–184 BC – Plautus of a marriage settlement.[2][4]
- 81–43 BC – Cicero of agreements, truces and corrupt bargains.[2][4]
- 533 AD – The Digest defines it.[5][4]
Meanings
Noun
- An agreement, compact, covenant, bargain.[2][5][1][6]
- A corrupt bargain, underhand agreement.[2][5][1]
- Terms between belligerents, a truce; a marriage settlement; a settlement of a lawsuit.[2][1]
- (Medieval Latin) A treaty document; a lease.[7]
Word family
- pactiuncula
Related words
References
- ^ a b c d e f g h i Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d e f g h i j Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
- ^ a b de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
- ^ a b c d e Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
- ^ a b c d e Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
- ^ a b Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson
- ^ a b Niermeyer, J. F. (1976), Mediae Latinitatis Lexicon Minus, Leiden: Brill
Cite this entry
“Pactio.” Etymologically, 19 Oct. 2026, etymologically.com/la/pactio. Accessed 19 Oct. 2026.
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