Etymology and origin of the Portuguese word alumiar
- Confidence
- Established
- Formation
- Inherited
- First attested
- 1200s Cantigas de Santa Maria More words from the 13th century
- Inherited from
- Latin *allumino
- Ultimate origin
- Latin lūmen
Pronunciation
Forms
alumiar (first-person singular present alumio, first-person singular preterite alumiei, past participle alumiado)[1] Old Galician-Portuguese wrote alumẽar, alumear and alumiar, and the 14th century also alomear and alomyar.[2][3][4]
Etymology
It is inherited from Vulgar Latin *allūminō (“to light, kindle”), written Old Galician-Portuguese alumẽar in the oldest texts.[3][5][6][7][1] The REW and Machado explain the Vulgar Latin verb as a remodelling of illūminō (“to light up”), and Houaiss and the DLP derive it from lūmen (“light”).[6][4][3][7] Nascentes, Aurélio and Vieira start from the classical verb itself, and Nascentes reports that Cornu saw the influence of the ⟨l⟩ there, while Meyer-Lübke preferred the Vulgar Latin form.[8][9][10] Vieira points to the loss of the medial /n/, as in sēminō > semear.[10]
The same Vulgar Latin verb is Galician alumear, Spanish alumbrar, Old Occitan alumenar, French allumer and Italian alluminare.[6][1] The Latin noun goes back to *léwk-s-mn̥, from the root *lewk- (“bright”).[11][1]
Earliest recorded meaning
In the Cantigas de Santa Maria a great light is seen que alumeava mui mais que outras craridades “that shone far more than other lights”, and one cantiga tells how Holy Mary gave sight to a blind cleric (alumiou un crerigo que era cego).[2] The Miragres de Santiago use it for healing the blind as well as for giving light.[12]
Semantic evolution
The medieval senses, “give light” and “give sight to the blind”, led to the spiritual sense: a 14th-century catechism says that faith alomea o entendimento “enlightens the understanding”.[4][12] Bluteau adds “to walk before someone with a torch”.[13] Morais (1789) records a farming sense, to open furrows in ploughed land to drain it, and an engraver's term, to fire the letters cut in stone and filled with pitch to blacken them.[14] Figueiredo (1899) has the Algarve sense “to dig round the trunk of a vine to give it more light”, which Houaiss gives as regional Portuguese.[15][3]
Brazilian Portuguese uses it intransitively for “to gleam, shine”, and the informal sense “to proclaim, make known” is in Houaiss and the DLP.[3][7][16]
Timeline
- 1200s – alumẽar and alumiar in the Cantigas de Santa Maria.[2][3]
- 1300s – alomyar;[3][4] alomea in a catechism.[3][4]
- 1513 – the Livro dos Mártires uses alumiar.[17]
- 1569 – Cardoso renders Alumiar by Latin illustro and illumino.[18]
- 1789 – Morais records the farming and engraving senses.[14]
- 1899 – Figueiredo records the Algarve sense for vines.[15]
Meanings
Verb
- To give light to, illuminate (iluminar); (intransitive) to give light;[3][9][19] (pronominal) to become lit: Uma vela alumiava a cozinha.[3][9][19]
- To light, kindle (a lamp): alumiar o candeeiro.[3][9]
- (figurative) To enlighten, instruct;[3][7][19] (pronominal) to become learned.[3][7][19]
- To accompany someone with a light.[20][13]
- (Brazil, intransitive) To gleam, shine: Os talheres alumiavam na mesa.[3][16]
- (informal) To proclaim, make known to all.[3][7]
- (figurative) To adorn, set off.[3]
- (Portugal, regional) To dig round (a vine).[3][15]
Related words
Usage notes
Figueiredo enters a second verb alumiar as a popular corruption of nomear “to name”, and the TLPGP records alumiar o terço in the north of Portugal, explained by its collector from Latin nōmināre.[15][21]
References
- ^ a b c d e f g h Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c 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. alumear
- ^ 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. alumiar
- ^ a b c d e Machado, José Pedro (1987), Dicionário etimológico da língua portuguesa, 4th ed., 5 vols., Lisboa: Livros Horizonte, p. s.v. alumiar
- ^ Cunha, Antônio Geraldo da (2010), Dicionário etimológico da língua portuguesa, 4th ed., Rio de Janeiro: Lexikon, p. s.v. alumiar
- ^ a b c Meyer-Lübke, Wilhelm (1935), Romanisches etymologisches Wörterbuch, 3rd ed., Heidelberg: Winter, p. 372
- ^ a b c d e f 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. alumiar
- ^ Nascentes, Antenor (1966), Dicionário etimológico resumido, Rio de Janeiro: Instituto Nacional do Livro, p. s.v. alumiar
- ^ a b c d Ferreira, Aurélio Buarque de Holanda, Novo dicionário Aurélio da língua portuguesa, digital edition, p. s.v. alumiar
- ^ a b Vieira, Frei Domingos (1871–1874), Grande Diccionario Portuguez ou Thesouro da lingua portugueza, 5 vols., Porto: Ernesto Chardron e Bartholomeu H. de Moraes, p. 1, 342
- ^ Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
- ^ a b 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. alumiar
- ^ 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. alumiar
- ^ a b Silva, António de Morais (1789), Diccionario da lingua portugueza composto pelo padre D. Rafael Bluteau, reformado, e accrescentado, 2 vols., Lisboa: Simão Thaddeo Ferreira, p. 1, 69
- ^ a b c d Figueiredo, Cândido de (1899), Novo diccionário da língua portuguesa, 1st ed., 2 vols., Lisboa: Tavares Cardoso & Irmão, p. s.v. alumiar
- ^ a b Ferreira, Aurélio Buarque de Holanda (1975), Novo dicionário da língua portuguesa, 1st ed., Rio de Janeiro: Nova Fronteira, p. 101
- ^ Centro de Linguística da Universidade de Lisboa, CTA – Corpus de Textos Antigos, https://teitok.clul.ul.pt/cta, p. s.v. alumiar
- ^ Cardoso, Jerónimo (1569–1570), Dictionarium ex lusitanico in latinum sermonem, Lisboa: João Álvares (CLP transcription, Universidade de Aveiro), p. s.v. alumiar
- ^ a b c d Porto Editora (2013), Grande Dicionário da Língua Portuguesa, Porto: Porto Editora, p. 522
- ^ Dicionário Priberam da Língua Portuguesa, Lisboa: Priberam Informática, https://dicionario.priberam.org, p. s.v. alumiar
- ^ 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. alumiar
Related etymologies
Cite this entry
“Alumiar.” Etymologically, 15 Nov. 2026, etymologically.com/pt/alumiar. Accessed 16 Nov. 2026.
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