Etymology and origin of the Portuguese word relógio
- Confidence
- Disputed
- Formation
- Borrowing
- First attested
- 1416 a document, spelt relogeo More words from the 15th century
- From
- Latin horologium
- Ultimate origin
- Ancient Greek ὡρολόγιον
Etymology tree
From the same root
Pronunciation
Forms
relógio m (plural relógios)[1] Houaiss records relogeo (1416), rellogios and relogyo (15th century), relojo (1589) and relójio (1858).[2] Bluteau heads the word relôgio.[3]
Etymology
In Houaiss's view it comes from Latin hōrologium (“sundial, water clock”), through an aphetic form *rologium of the Vulgar Latin of Hispania that Machado proposed.[2] Nascentes and Aurélio also derive it from the Latin word, with the loss of its first ⟨o⟩ and a dissimilation of the next.[4][5] Wiktionary and the DLP instead take it from Spanish reloj, and the REW derives the Spanish word, and the Portuguese one through it, from Catalan rellotge.[1][6][7]
Corominas traces the Spanish word, first recorded about 1400, to Old Catalan relotge, whose older forms orollotge and arelotge stand closer to the Latin; mechanical clocks with wheels and weights are mentioned in Catalonia in the 14th and 15th centuries.[8][9] The Latin word is from Ancient Greek ὡρολόγιον (hōrológion), from ὡρολόγος (hōrológos), a compound of ὥρα (hṓra, “hour”) and λέγω (légō, “to count, tell”).[1][10]
Other forms of the Latin word are Galician reloxo, Occitan relòtge, Italian orologio and French horloge.[1][7] The learned horológio is a doublet.[1]
Earliest recorded meaning
The first record is relogeo in a document of 1416.[2] In Latin the word meant a sundial or a water clock.[10] Houaiss's first sense is a mechanism that marks the time and shows the hours.[2]
Semantic evolution
Barbosa (1611) has relogio de sol “sundial” and relogio de agoa “water clock”.[11] Bluteau (1712–1728) explains the word from Greek and tells the history of the sundial.[3] Morais (1813) defines the clock as a machine of wheels, weights and springs that moves a pointer.[12]
In Brazil relógio is also a meter for water, gas or electricity, and informally the stomach, a person who works with great regularity, a plant of the genus Sida and a capoeira movement.[2] Caldas Aulete and Michaelis record a lasting ailment left by an illness.[13][14] In Bahia the word names a slow-moving freshwater turtle.[15] Tetum borrowed it as relójiu.[1]
Timeline
- 1416 – first record, spelt relogeo.[2]
- 15th century – the spellings rellogios and relogyo.[2]
- 1569 – Cardoso renders relogio with Latin horologium.[16]
- 1589 – the variant relojo.[2][17]
- 1611 – Barbosa lists the sundial and the water clock.[11]
- 1757 – a private letter writes rellogio.[18]
- 1813 – Morais describes the clock with its wheels, weights and springs.[12]
- 1858 – the spelling relójio.[2]
Meanings
Noun
- A clock or watch, any instrument for measuring time and showing the hours: O relógio da estação parou.[2][5][1]
- (Brazil) A meter for water, gas or electricity.[2][13]
- (figurative, informal) A person who works with great regularity.[2]
- (figurative, informal) The stomach.[2][14]
- (botany) A woody herb of the mallow family (Sida), used in folk medicine against indigestion.[2][13]
- (capoeira) A movement in which the body spins parallel to the ground, supported on one hand.[2]
Word family
- relojoeiro
- relojoaria
- rádio-relógio
Related words
- horologia
- horológio
- Latin hōrologium
- Spanish reloj
References
- ^ a b c d e f g h i j Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d e f g h i j k l m n o Houaiss, Antônio; Villar, Mauro de Salles (2001), Dicionário Houaiss da língua portuguesa, Rio de Janeiro: Objetiva, p. s.v. relógio
- ^ a b Bluteau, Raphael (1712–1728), Vocabulario portuguez e latino, 8 vols. + 2 supplement vols., Coimbra / Lisboa (CLP transcription, Universidade de Aveiro), p. s.v. relógio
- ^ Nascentes, Antenor (1966), Dicionário etimológico resumido, Rio de Janeiro: Instituto Nacional do Livro, p. s.v. relógio
- ^ a b Ferreira, Aurélio Buarque de Holanda, Novo dicionário Aurélio da língua portuguesa, digital edition, p. s.v. relógio
- ^ 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. relógio
- ^ a b Meyer-Lübke, Wilhelm (1935), Romanisches etymologisches Wörterbuch, 3rd ed., Heidelberg: Winter, p. 4183
- ^ Corominas, Joan; Pascual, José A. (1980–1991), Diccionario crítico etimológico castellano e hispánico, 6 vols., Madrid: Gredos, p. 4, 869
- ^ Corominas, Joan (1973), Breve diccionario etimológico de la lengua castellana, 3rd ed., Madrid: Gredos, p. s.v. reloj
- ^ a b Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press, p. s.v. hōrologium
- ^ a b Barbosa, Agostinho (1611), Dictionarium lusitanicolatinum, Braga: Fructuoso Lourenço de Basto (CLP transcription, Universidade de Aveiro), p. s.v. relogio
- ^ a b Silva, António de Morais (1813), Diccionario da lingua portugueza, 2nd ed., 2 vols., Lisboa: Typographia Lacerdina, p. 2, 591
- ^ a b c 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. relógio
- ^ a b 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. relógio
- ^ Navarro, Fred (2004), Dicionário do Nordeste, São Paulo: Estação Liberdade, p. s.v. relógio
- ^ Cardoso, Jerónimo (1569–1570), Dictionarium ex lusitanico in latinum sermonem, Lisboa: João Álvares (CLP transcription, Universidade de Aveiro), p. s.v. relogio
- ^ Houaiss, Antônio; Villar, Mauro de Salles (2001), Dicionário Houaiss da língua portuguesa, Rio de Janeiro: Objetiva, p. s.v. relojo
- ^ CLUL (ed.) (2014), P.S. Post Scriptum: Arquivo Digital de Escrita Quotidiana em Portugal e Espanha na Época Moderna, Lisboa: Centro de Linguística da Universidade de Lisboa, http://ps.clul.ul.pt, p. s.v. relógio
Related etymologies
Cite this entry
“Relógio.” Etymologically, 15 Nov. 2026, etymologically.com/pt/rel%C3%B3gio. Accessed 16 Nov. 2026.
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