Etymologically

Etymology and origin of the Portuguese word prólogo

Confidence
Established
Formation
Borrowing
First attested
1200s Cantigas de Santa Maria More words from the 13th century
Borrowed from
Latin prologus
Ultimate origin
Ancient Greek πρόλογος
Etymology tree
inherited borrowed derived
Ancient Greek λόγος (lógos)
English logos
Ancient Greek πρόλογος (prólogos)
Latin prologus
English prologue
Portuguese prólogo
Spanish prólogo
The word's journey
From the same root
Ancient Greek ἄλογος (álogos) ← λόγος
Ancient Greek ἀνάλογος (análogos) ← λόγος
Ancient Greek ἀπολογία (apología) ← λόγος
Ancient Greek ἀπόλογος (apologos) ← λόγος
Ancient Greek εὐλογέω (eulogéō) ← λόγος
Ancient Greek λογικός (logikós) ← λόγος
Ancient Greek λόγιον (lógion) ← λόγος
Ancient Greek τριλογία (trilogía) ← λόγος
English philology ← λόγος
Latin geologia ← λόγος
Latin logarithmus ← λόγος

Pronunciation

  • Brazil: /ˈpɾɔ.lo.ɡu/[1]
  • Portugal: /ˈpɾɔ.lu.ɡu/, [ˈpɾɔ.lu.ɣu][1]
  • Portugal, Southern: /ˈpɾɔ.lu.ɡu/[1]

Forms

prólogo m (plural prólogos)[1] Old Galician-Portuguese wrote prologo and once prolego;[1] Houaiss records the 15th-century spellings prolago, prollego and prolloguo.[2][3] Bluteau wrote prôlogo.[4]

Etymology

It is borrowed from Latin prologus (“prologue of a play”), written Old Galician-Portuguese prologo in the oldest texts.[3][5][1][2] The Latin word is from Ancient Greek πρόλογος (prólogos), formed from προ- (pro-, “before”) and λόγος (lógos, “speech”).[1][6] Houaiss labels the Latin word Late Latin, but the OLD cites it from Terence on, for the introduction to a play that often summed up its plot.[3][6] In Greek it was the part of a play before the entry of the chorus.[7] Nascentes calls the Portuguese word a learned borrowing, and Bluteau hesitated between a purely Greek word and a hybrid of the Latin preposition prō and the Greek noun.[8][4]

Earliest recorded meaning

The Cantigas de Santa Maria head their opening poem “Este é o Prologo das Cantigas de Santa Maria” (“this is the prologue of the Cantigas de Santa Maria”), and a later rubric ends it with aqui sse acaba o prologo “here the prologue ends”.[2] Lorenzo also records o prologo da estoria in the Galician Estoria and prolego in the Oficios.[2] The sense is the introduction of a book.[2]

Semantic evolution

The early dictionaries gloss it with Latin prologus and praefatio.[9][10] Bluteau explains the theatrical sense: in the Roman theatre the prologue was what was spoken to the audience before the comedy or tragedy.[4] Morais (1813) defines it as the speech made before the performance of a play, names the comedies Eufrosina and Ulissipo and the plays of Sá de Miranda as having one, and records the figurative “prologue” of sermons and the sense “preamble”.[11] The old Caldas Aulete also uses it for the character who speaks the prologue.[12]

Modern dictionaries add the opening scene of a novel or film, set before the main action, an introduction to an opera, and the beginning of any event.[3][13][14] In artillery, Aurélio records it as the rope that links the gun carriage to the limber.[15]

Timeline

  • 13th century – Este é o Prologo das Cantigas de Santa Maria.[2][3][5]
  • 15th century – the spellings prolago, prollego and prolloguo.[3]
  • 1513 – prologo in the Livro dos Mártires.[16]
  • 1569 – Cardoso's dictionary glosses prologo as Latin prologus.[9]
  • 1611 – Barbosa adds praefatio.[10]
  • 1712–1728 – Bluteau discusses the origin of prôlogo and its use in the Roman theatre.[4]
  • 1734 – Feijó defines it as the beginning of a speech, sermon or book.[17]
  • 1813 – Morais gives the theatrical and figurative senses.[11]

Meanings

Noun

  1. A preface: a short introductory text before a written work.[15][14][18]
  2. (theatre) In ancient Greek tragedy, the first part, in dialogue or monologue, which set out the subject of the play.[3][15]
  3. (theatre) The opening scene or monologue of a play, novel or film, which gives events or facts that come before the main action.[3][13][14]
  4. (theatre) The character who comes on first and speaks the prologue.[3][12]
  5. (music) An introduction to some operas, usually outside the plot.[3][19]
  6. (figurative) The opening part of an event.[14]
  7. (artillery) A rope linking the gun carriage to the limber.[15]

Usage notes

Its opposite is epílogo.[12][14] The unaccented prologo is a form of the verb prologar.[12][15]

References

  1. ^ a b c d e f g Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f Instituto da Lingua Galega, Dicionario de dicionarios do galego medieval (DDGM), ed. Ernesto González Seoane, Santiago de Compostela: Universidade de Santiago de Compostela, https://ilg.usc.gal/ddgm, p. s.v. prologo
  3. ^ a b c d e f g h i j Houaiss, Antônio; Villar, Mauro de Salles (2001), Dicionário Houaiss da língua portuguesa, Rio de Janeiro: Objetiva, p. s.v. prólogo
  4. ^ a b c d Bluteau, Raphael (1712–1728), Vocabulario portuguez e latino, 8 vols. + 2 supplement vols., Coimbra / Lisboa (CLP transcription, Universidade de Aveiro), p. s.v. prôlogo
  5. ^ a b Cunha, Antônio Geraldo da (2010), Dicionário etimológico da língua portuguesa, 4th ed., Rio de Janeiro: Lexikon, p. s.v. prólogo
  6. ^ a b Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  7. ^ Liddell, Henry George; Scott, Robert; Jones, Henry Stuart (1940), A Greek-English Lexicon, 9th ed., Oxford: Clarendon Press
  8. ^ Nascentes, Antenor (1966), Dicionário etimológico resumido, Rio de Janeiro: Instituto Nacional do Livro, p. s.v. prólogo
  9. ^ a b Cardoso, Jerónimo (1569–1570), Dictionarium ex lusitanico in latinum sermonem, Lisboa: João Álvares (CLP transcription, Universidade de Aveiro), p. s.v. prologo
  10. ^ a b Barbosa, Agostinho (1611), Dictionarium lusitanicolatinum, Braga: Fructuoso Lourenço de Basto (CLP transcription, Universidade de Aveiro), p. s.v. prologo
  11. ^ a b Silva, António de Morais (1813), Diccionario da lingua portugueza, 2nd ed., 2 vols., Lisboa: Typographia Lacerdina, p. 2, 512
  12. ^ a b c d Aulete, Francisco Júlio Caldas, Dicionário contemporâneo da língua portuguesa (1st ed. 1881), online as Aulete Digital, Rio de Janeiro: Lexikon, https://aulete.com.br, p. s.v. prólogo
  13. ^ a b Academia das Ciências de Lisboa, Dicionário da Língua Portuguesa, revised online edition (2023–) of the Dicionário da Língua Portuguesa Contemporânea (2001), https://dicionario.acad-ciencias.pt, p. s.v. prólogo
  14. ^ a b c d e Dicionário Priberam da Língua Portuguesa, Lisboa: Priberam Informática, https://dicionario.priberam.org, p. s.v. prólogo
  15. ^ a b c d e Ferreira, Aurélio Buarque de Holanda, Novo dicionário Aurélio da língua portuguesa, digital edition, p. s.v. prólogo
  16. ^ Centro de Linguística da Universidade de Lisboa, CTA – Corpus de Textos Antigos, https://teitok.clul.ul.pt/cta, p. s.v. prologo
  17. ^ Feijó, João de Morais Madureira (1734), Orthographia, ou Arte de escrever, e pronunciar com acerto a lingua portugueza, Lisboa (CLP transcription, Universidade de Aveiro), p. s.v. prólogo
  18. ^ Porto Editora (2013), Grande Dicionário da Língua Portuguesa, Porto: Porto Editora, p. 7515
  19. ^ Michaelis: Moderno Dicionário da Língua Portuguesa, São Paulo: Melhoramentos (online as Michaelis Dicionário Brasileiro da Língua Portuguesa, https://michaelis.uol.com.br), p. s.v. prólogo

Related etymologies

Cite this entry

“Prólogo.” Etymologically, 15 Nov. 2026, etymologically.com/pt/pr%C3%B3logo. Accessed 16 Nov. 2026.

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