Etymologically

Etymology and origin of the Portuguese word conhecer

Confidence
Established
Formation
Inherited
First attested
1254 the participle conocido More words from the 13th century
Inherited from
Latin cognosco
Ultimate origin
Latin nōscō
Etymology tree
inherited borrowed derived
Latin nōscō
Latin cognōscō
French connaître
Portuguese conhecer
From the same root
Italian nobile ← nōscō
Latin agnōscō ← nōscō
Latin dīnōscō ← nōscō
Latin internōscō ← nōscō
Latin nōbilis ← nōscō
Latin nōscitō ← nōscō
Latin nōtiō ← nōscō
Latin nōtus ← nōscō
Latin pernosco ← nōscō
English cognizant ← cognōscō
Latin accognōscō ← cognōscō
Latin cognitiō ← cognōscō
Latin cognitivus ← cognōscō
Latin cognitor ← cognōscō
Latin cognitus ← cognōscō
Latin cognōmentum ← cognōscō
Latin cognōscēns ← cognōscō
Latin cognōscentia ← cognōscō
Latin recognōscō ← cognōscō
French connaissance ← connaître
French connaisseur ← connaître

Pronunciation

  • Brazil: /kõ.ɲeˈse(ʁ)/, [kõ.j̃eˈse(h)][1]
  • São-Paulo: /kõ.ɲeˈse(ɾ)/, [kõ.j̃eˈse(ɾ)][1]
  • Rio-de-Janeiro: /kõ.ɲeˈse(ʁ)/, [kõ.j̃eˈse(χ)][1]
  • Caipira: /kõ.ɲeˈse(ɻ)/, [kõ.j̃eˈse(ɻ)][1]

Forms

conhecer (first-person singular present conheço, first-person singular preterite conheci, past participle conhecido)[1] Old Galician-Portuguese wrote connocer, connosçer and conhocer in the 13th century, with conoscer in 1277 and cognoscer in 1278;[2][3] conhecer and cõhoçer appear in the 14th century and cogescer in the 15th.[2][3]

Etymology

It is inherited from Latin cognōscō (“to get to know”), first as Old Galician-Portuguese conhocer and Old Galician-Portuguese connocer; the present form appears in the 14th century.[2][3][1] Latin ⟨gn⟩ became ⟨nh⟩: Corominas notes that most Romance languages continue a Late Latin cōnōscō, reshaped after the simple verb, and that Portuguese is almost alone, with Engadine and a few Alpine dialects of Italy, in keeping a trace of the ⟨gn⟩.[4]

The change of the second vowel from /o/ to /e/ is explained by Houaiss as a dissimilation of the two /o/ sounds, helped by the verbs in -ecer, and Nascentes also invokes that suffix.[2][5] Carolina Michaëlis saw in it the analogy of inchoatives from Latin -escere such as padecer, parecer and guarnecer.[6] Corominas lists the same change of ending in Catalan and in Moroccan Judaeo-Spanish.[4]

The same Latin word is Galician coñecer, Spanish conocer, Catalan conèixer, French connaître, Italian conoscere and Romanian cunoaște.[7][1] The Latin verb is con- added to nōscō (“to get to know”),[8][1] and the simple verb, older gnōscō, goes back to Proto-Indo-European *ǵneh₃- (“to know”).[9]

Earliest recorded meaning

Houaiss's first record is the participle conocido in 1254, from Cunha's index of medieval Portuguese.[2] In the troubadour songs the verb means “to know”, “to recognise” and “to come to one's senses”;[6][10] Estevan da Guarda writes of un corretor a que vi / vender panos, que conhoci “a broker I saw selling cloth, whom I recognised”.[6][10] The infinitive was also a noun, “judgement, opinion”: quant'é meu conhocer “as far as I can judge”, and a man sen conhocer was a fool.[6][10]

Semantic evolution

The legal sense of a judge hearing a case, conhecer de uma causa, is in Folqman's dictionary of 1755.[11] Morais (1813) begins with “to perceive with the mind” and records conhecer a mercê a alguém “to acknowledge a favour, be grateful”.[12] The biblical sense “to have sexual relations with” is now dated; in rural Portugal in the 1940s the verb was avoided with women for that reason.[13][14] Modern senses include “to meet for the first time”, “to visit a place” and “to go through, experience”.[2][1]

Timeline

  • 1254 – conocido, the first record.[2]
  • 1277 – conoscer; 1278 – cognoscer.[2]
  • 13th century – conhocer and connocer in the troubadour songs; first record of conhecença.[2][3][6]
  • 14th century – the form conhecer; first record of conhecedor.[2][3]
  • c. 1430 – the Horto do Esposo uses the verb.[15]
  • 1569 – Cardoso renders it by Latin cognosco and agnosco.[16]
  • 1755 – Folqman records the legal sense.[11]
  • 1813 – Morais defines “to perceive with the mind”.[12]

Meanings

Verb

  1. To know, have knowledge or information of: Conhece bem a história da cidade.[2][17][1]
  2. To be acquainted with (a person): Conheço-o desde a escola.[2][1]
  3. To meet for the first time, get to know: Conheci a tua irmã na festa.[2][1]
  4. To visit (a place) for the first time: Quero conhecer o Japão.[2][1]
  5. To be familiar with, master (a subject or language).[2][18]
  6. To recognise, tell apart.[19][13]
  7. To go through, experience: A região conheceu anos de seca.[2]
  8. (law, with de) To hear, take cognisance of (a case).[1][11]
  9. (pronominal) To know oneself, one's own worth.[19]
  10. (archaic) To have sexual relations with.[1][13]

Word family

  • conhecedor
  • conhecença
  • conhecido
  • conhecimento
  • conhecível
  • desconhecer
  • reconhecer

References

  1. ^ a b c d e f g h i j k l m n o Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j k l m n o p Houaiss, Antônio; Villar, Mauro de Salles (2001), Dicionário Houaiss da língua portuguesa, Rio de Janeiro: Objetiva, p. s.v. conhecer
  3. ^ a b c d e Cunha, Antônio Geraldo da (2010), Dicionário etimológico da língua portuguesa, 4th ed., Rio de Janeiro: Lexikon, p. s.v. conhecer
  4. ^ a b Corominas, Joan; Pascual, José A. (1980–1991), Diccionario crítico etimológico castellano e hispánico, 6 vols., Madrid: Gredos, p. 2, 176
  5. ^ Nascentes, Antenor (1966), Dicionário etimológico resumido, Rio de Janeiro: Instituto Nacional do Livro, p. s.v. conhecer
  6. ^ a b c d e 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. conhocer
  7. ^ Meyer-Lübke, Wilhelm (1935), Romanisches etymologisches Wörterbuch, 3rd ed., Heidelberg: Winter
  8. ^ Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press, p. s.v. cognoscō
  9. ^ de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
  10. ^ a b c Universo Cantigas: Glosario da poesía medieval profana galego-portuguesa, A Coruña: Instituto da Lingua e Literatura (ILLA), Universidade da Coruña, https://www.universocantigas.gal, p. s.v. conhocer
  11. ^ a b c Folqman, Carlos (1755), Diccionario portuguez, e latino, Lisboa: Régia Officina Silviana (CLP transcription, Universidade de Aveiro), p. s.v. conhecer
  12. ^ a b Silva, António de Morais (1813), Diccionario da lingua portugueza, 2nd ed., 2 vols., Lisboa: Typographia Lacerdina, p. 1, 446
  13. ^ a b c Porto Editora (2013), Grande Dicionário da Língua Portuguesa, Porto: Porto Editora, p. 2345
  14. ^ Instituto da Lingua Galega, Tesouro do léxico patrimonial galego e portugués (TLPGP), Santiago de Compostela: Universidade de Santiago de Compostela, https://ilg.usc.gal/tesouro, p. s.v. conhecer
  15. ^ Centro de Linguística da Universidade de Lisboa, CTA – Corpus de Textos Antigos, https://teitok.clul.ul.pt/cta, p. s.v. conhecer
  16. ^ Cardoso, Jerónimo (1569–1570), Dictionarium ex lusitanico in latinum sermonem, Lisboa: João Álvares (CLP transcription, Universidade de Aveiro), p. s.v. conhecer
  17. ^ Ferreira, Aurélio Buarque de Holanda, Novo dicionário Aurélio da língua portuguesa, digital edition, p. s.v. conhecer
  18. ^ 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. conhecer
  19. ^ a b Dicionário Priberam da Língua Portuguesa, Lisboa: Priberam Informática, https://dicionario.priberam.org, p. s.v. conhecer

Related etymologies

Cite this entry

“Conhecer.” Etymologically, 15 Nov. 2026, etymologically.com/pt/conhecer. Accessed 16 Nov. 2026.

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