Etymology and origin of the Latin word placitum
- Confidence
- Established
- Formation
- Derivation
- First attested
- 70–19 BC, Virgil
- Ultimate origin
- Proto-Italic (*plak-ē-)
Etymology tree
Forms
placitum n (genitive placitī); second declension[1]
Etymology
Used as a noun, it is the neuter participle from Latin placitus (“pleasing, agreed”), from placeō (“to please”).[2][1][3] De Vaan traces placeō to Proto-Italic *plak-ē- and a root Proto-Indo-European *pl(e)h₂k- (“to agree, be pleasant”), whose only certain relatives are in Tocharian.[4]
Earliest recorded meaning
Köbler dates it from Virgil.[5] The OLD's examples of the noun start with Seneca, who speaks of “our tenets”.[2]
Semantic evolution
Literally it is what pleases or is agreed on.[3] In the classical period it is a tenet or opinion: Columella has the opinions of the old authors, Pliny the Elder those of the Babylonians on earthquakes, and Tacitus the teachings of the philosophers.[2] In law it is an agreed condition: Ulpian defines a pact as the consent of two or more to the same placitum.[2] In Church Latin it is an agreement, resolution, decision or pledge.[6] In medieval Latin it became the agreed meeting and the assembly for judicial or legislative business, and so a court of law, as in the letters of Boniface and in Domesday Book.[7] Through Old French plait (“lawsuit, decision”) it gave English plea (early 13th century).[3]
Timeline
- 70–19 BC – Virgil.[5]
- 4 BC–65 AD – Seneca, of philosophical tenets.[2][5]
- before 223 AD – Ulpian, of an agreed condition.[2][5]
- 753 – Boniface, of an assembly.[7]
- early 13th century – English plea, through Anglo-French and Old French.[3]
Meanings
Noun
- A tenet, opinion, teaching.[2][1]
- (law) An agreed condition, agreement;[2][7][6] a decision, decree.[1][6]
- (Medieval Latin) An assembly for judicial business, a court, moot;[7] a lawsuit, plea.[3][1]
Related words
References
- ^ a b c d e Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d e f g h Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
- ^ a b c d e Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
- ^ 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 Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
- ^ a b c Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson
- ^ a b c d 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
“Placitum.” Etymologically, 20 Oct. 2026, etymologically.com/la/placitum. Accessed 20 Oct. 2026.
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