Etymologically

Etymology and origin of the Latin word placitus

Confidence
Established
Formation
Derivation
First attested
86–34 BC, Sallust
Ultimate origin
Proto-Indo-European (*pl(e)h₂k-)
Etymology tree
inherited borrowed derived
Latin placeo
French plaisir
Latin placidus
Latin placide
Latin placitus
Latin placitum

Forms

placitus (feminine placita, neuter placitum; superlative placitissimus); first/second-declension adjective[1][2]

Etymology

It is from Latin placeō (“to please”), its participle used as an adjective.[1][2] De Vaan traces placeō to Proto-Italic *plak-ē- and Proto-Indo-European *pl(e)h₂k- (“to agree, be pleasant”), whose only certain cognate is Tocharian A plāk- (“to agree”).[3]

Earliest recorded meaning

Köbler and Georges cite Sallust first, of a pleasing place.[4][2]

Semantic evolution

It is what has won approval, pleasing or favoured: Virgil has a love that pleased,[2] and Statius the superlative, of a most welcome worshipper.[2][1] Church Latin has “acceptable”.[5] In medieval texts it means agreed or decreed.[6]

Timeline

  • 86–34 BC – Sallust, of a pleasing place.[2][4]
  • 70–19 BC – Virgil, of a love that pleased.[2][4]
  • c. 45–96 AD – Statius has the superlative.[2][4]
  • Medieval Latin – Agreed, decreed.[6]

Meanings

Adjective

  1. That has won approval, pleasing, favoured, agreeable.[1][2]
  2. (Ecclesiastical Latin) Acceptable.[5]
  3. (Medieval Latin) Agreed upon; decreed.[6]

Usage notes

The neuter placitum is used as a noun, “what one likes”, and an opinion, principle or doctrine, which Seneca offers as Latin for Greek dogmata.[2] In medieval Latin the noun has many legal senses, among them a resolution, an agreement, a court session and a plea.[6]

References

  1. ^ a b c d Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  2. ^ a b c d e f g h i j Georges, Karl Ernst (1913–1918), Ausführliches lateinisch-deutsches Handwörterbuch, 8th ed., ed. Heinrich Georges, Hannover; Leipzig: Hahn
  3. ^ de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
  4. ^ a b c d Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  5. ^ a b Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson
  6. ^ a b c d Niermeyer, J. F. (1976), Mediae Latinitatis Lexicon Minus, Leiden: Brill

Derived terms

Cite this entry

“Placitus.” Etymologically, 20 Oct. 2026, etymologically.com/la/placitus. Accessed 20 Oct. 2026.

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