Etymology and origin of the Portuguese word obrigar
- Confidence
- Established
- Formation
- Inherited
- First attested
- 1200s spelt obligar More words from the 13th century
- Inherited from
- Latin obligo
- Ultimate origin
- Latin ligō
Etymology tree
From the same root
Pronunciation
Forms
obrigar (first-person singular present obrigo, first-person singular preterite obriguei, past participle obrigado)[1] The 13th-century texts write obligar; the form with -r-, obrigamos “we bind ourselves”, is recorded in 1344.[2][3] Feijó (1734) lists the popular spelling oubrigar beside obrigar.[4]
Etymology
It is inherited from Latin obligō (“to tie up; to bind by a duty”), written Old Galician-Portuguese obligar and later Old Galician-Portuguese obrigar in the oldest texts.[2][3][5][1] Wiktionary considers it a semi-learned word, taken from the written language rather than handed down by speech alone.[1] The Latin /l/ after the /b/ became /r/, as the dated forms show: the spelling with ⟨l⟩ in the 13th century, with ⟨r⟩ by 1344.[2]
The same Latin verb is Spanish obligar, Catalan obligar, Italian obbligare and French obliger.[6][7]
The Latin word is formed from ob- (“towards, against”) and ligō (“to bind, fasten”).[8][1] Houaiss glosses it “to tie on all sides; to bind morally; to be bound to someone by a duty”.[2] Wiktionary takes the simple verb back to Proto-Indo-European *leyǵ- (“to bind”).[1]
Earliest recorded meaning
Houaiss dates the verb to the 13th century, in the sense “to bind someone by a legal or moral duty”.[2] The Crónica Troiana uses it as a reflexive, “to bind oneself to do something”: obrigome a atanto que se depoys for mentira que me deytedes en hun gran fogo “I bind myself to this: that if it later proves a lie, you throw me into a great fire”.[9]
Semantic evolution
The legal sense came first, and with it the reflexive “to commit oneself” and the use of property as security: Houaiss and Priberam give “to pledge, mortgage” (obrigar as joias, obrigar os bens).[2][10] Folqman's dictionary of 1755 has obrigar todos os seus bens “to mortgage all one's goods” beside obrigar a alguem a fazer alguma cousa “to force someone to do something”.[11] Morais (1813) separates the two: “to impose an obligation” and “to use force, violence, constraint”, his example being a man made to sign with a pistol in his hand.[12]
A milder sense grew out of the moral one: to bind someone by gratitude or affection, to put them in one's debt; the original Caldas Aulete quotes Garrett for it.[13][2]
Timeline
- 1200s – first records, spelt obligar.[2][3]
- 1344 – the form with -r-, obrigamos.[2]
- 1569 – Cardoso's Portuguese–Latin dictionary renders Obrigar by Latin obligo.[14]
- 1611 – Barbosa adds the participle obrigada cousa “a thing bound, pledged”.[15]
- 1734 – Feijó notes the popular spelling oubrigar.[4]
- 1755 – Folqman lists the senses “to mortgage” and “to compel”.[11]
- 1813 – Morais defines the verb as “to impose an obligation” and “to use force”.[12]
Meanings
Verb
- To bind by a legal or moral obligation;[2][16] (reflexive) to commit oneself: O acordo obriga as duas partes.[2][16]
- To force, compel; to make someone do something by pressure or necessity: A chuva obrigou-nos a voltar.[2][1]
- (figurative) To leave no choice but a certain action; to urge, impel.[16][1]
- To subject to a condition; to expose: obrigar alguém ao ridículo.[2]
- To give as security; to pledge, mortgage.[2][10]
- (reflexive) To run into debt, pledging one's goods.[2]
- To bind by gratitude or affection; to oblige, win over.[2][17]
- To subdue, master.[2]
Word family
- obrigação
- obrigado
- obrigatório
- obrigatoriedade
- desobrigar
Related words
References
- ^ a b c d e f g h i j k Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d e f g h i j k l m n o p q Houaiss, Antônio; Villar, Mauro de Salles (2001), Dicionário Houaiss da língua portuguesa, Rio de Janeiro: Objetiva, p. s.v. obrigar
- ^ a b c Cunha, Antônio Geraldo da (2010), Dicionário etimológico da língua portuguesa, 4th ed., Rio de Janeiro: Lexikon, p. s.v. obrigar
- ^ a b 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. obrigar
- ^ Nascentes, Antenor (1966), Dicionário etimológico resumido, Rio de Janeiro: Instituto Nacional do Livro, p. s.v. obrigar
- ^ Meyer-Lübke, Wilhelm (1935), Romanisches etymologisches Wörterbuch, 3rd ed., Heidelberg: Winter, p. 6012a
- ^ Nascentes, Antenor (1955), Dicionário etimológico da língua portuguesa, vol. 1: Nomes comuns, Rio de Janeiro (1st ed. 1932, preface by W. Meyer-Lübke), p. 359
- ^ Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press, p. s.v. obligō
- ^ 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. obrigar
- ^ a b Dicionário Priberam da Língua Portuguesa, Lisboa: Priberam Informática, https://dicionario.priberam.org, p. s.v. obrigar
- ^ a b Folqman, Carlos (1755), Diccionario portuguez, e latino, Lisboa: Régia Officina Silviana (CLP transcription, Universidade de Aveiro), p. s.v. obrigar
- ^ a b Silva, António de Morais (1813), Diccionario da lingua portugueza, 2nd ed., 2 vols., Lisboa: Typographia Lacerdina, p. 2, 356
- ^ 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. obrigar
- ^ Cardoso, Jerónimo (1569–1570), Dictionarium ex lusitanico in latinum sermonem, Lisboa: João Álvares (CLP transcription, Universidade de Aveiro), p. s.v. obrigar
- ^ Barbosa, Agostinho (1611), Dictionarium lusitanicolatinum, Braga: Fructuoso Lourenço de Basto (CLP transcription, Universidade de Aveiro), p. s.v. obrigar
- ^ a b c Ferreira, Aurélio Buarque de Holanda, Novo dicionário Aurélio da língua portuguesa, digital edition, p. s.v. obrigar
- ^ Porto Editora (2013), Grande Dicionário da Língua Portuguesa, Porto: Porto Editora, p. 6604
Related etymologies
Cite this entry
“Obrigar.” Etymologically, 15 Nov. 2026, etymologically.com/pt/obrigar. Accessed 16 Nov. 2026.
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