Etymology and origin of the Portuguese word exército
- Confidence
- Established
- Formation
- Borrowing
- First attested
- 1400s More words from the 15th century
- Borrowed from
- Latin exercitus
- Ultimate origin
- Latin arceō
Etymology tree
From the same root
Pronunciation
Forms
exército m (plural exércitos)[1] Before the spelling reforms the word was written without the accent, exercito, as in Bluteau's dictionary.[2] A private letter of 1580 spells it exersito.[3]
Etymology
It is borrowed from Latin exercitus (“army”), a learned word rather than one handed down by speech.[4][5][6][1] Houaiss traces the Latin noun to the stem of the supine of exerceō (“to work at, keep busy”).[4] The OLD analyses it as the verb with the action-noun suffix -tus, and gives its first sense as “physical exercise, exertion” beside “a military force”.[7][1]
The same Latin word was borrowed as Spanish ejército, Catalan exèrcit and Italian esercito.[8][1]
The verb is formed from ex- (“out of”) and arceō (“to contain, keep out”).[7][1] De Vaan reconstructs a Proto-Italic verb meaning “to contain, keep out” and a Proto-Indo-European root meaning “to hold”, and compares ἀρκέω (arkéō, “to ward off, defend”).[9]
Earliest recorded meaning
Houaiss dates the word to the 15th century from the slips of Cunha's index of medieval Portuguese.[4] Cunha himself gives 1572 as his first date, in the sense of a body of troops.[5]
Semantic evolution
Bluteau defines the word as a large body of soldiers under the command of a general, and Feijó in 1734 as a great number of soldiers in the field with their general.[2][10] Morais in 1813 records the figurative sense “great number”, besides the use for an army's camp.[11] Figueiredo in 1899 has both the regular troops of a nation and any body of troops arrayed for war.[12]
In the 20th century the word came to name the permanent land force of a state as an institution, written with a capital letter beside the navy and the air force.[4][13][14] Aurélio describes this Brazilian institution under the authority of the president.[4][13][14] The figurative “multitude” is still current.[4][15]
Timeline
- 1400s – first record, in the slips of Cunha's medieval index.[4]
- 1572 – Cunha's first date for the word.[5]
- 1580 – exersito in a private letter.[3]
- 1712–1728 – Bluteau defines exercito as a large body of soldiers under a general.[2]
- 1813 – Morais records the figurative sense “great number”.[11]
- 1899 – Figueiredo derives the word from Latin exercitus, from exercere.[12]
Meanings
Noun
- The land armed forces of a nation, as an institution; written with a capital letter: o Exército português.[4][16][17]
- (military) A large unit of land forces made up of several divisions.[4][17]
- The troops that take part in a battle or campaign; an army in the field.[4][13][15]
- (figurative) A great number of people, a multitude: um exército de voluntários.[4][15][18]
Related words
Usage notes
Houaiss and Michaelis record the set names Exército de Salvação “Salvation Army”, a religious and charitable organisation with a military hierarchy, and exército de ocupação “army of occupation”.[4][18]
References
- ^ a b c d e f g h i Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c Bluteau, Raphael (1712–1728), Vocabulario portuguez e latino, 8 vols. + 2 supplement vols., Coimbra / Lisboa (CLP transcription, Universidade de Aveiro), p. s.v. exército
- ^ a b 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. exército
- ^ a b c d e f g h i j k l Houaiss, Antônio; Villar, Mauro de Salles (2001), Dicionário Houaiss da língua portuguesa, Rio de Janeiro: Objetiva, p. s.v. exército
- ^ a b c Cunha, Antônio Geraldo da (2010), Dicionário etimológico da língua portuguesa, 4th ed., Rio de Janeiro: Lexikon, p. s.v. exército
- ^ Nascentes, Antenor (1966), Dicionário etimológico resumido, Rio de Janeiro: Instituto Nacional do Livro, p. s.v. exército
- ^ a b Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
- ^ Real Academia Española; Asociación de Academias de la Lengua Española (2014–), Diccionario de la lengua española, 23rd ed., online version 23.8, https://dle.rae.es, p. s.v. ejército
- ^ de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
- ^ 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. exército
- ^ a b Silva, António de Morais (1813), Diccionario da lingua portugueza, 2nd ed., 2 vols., Lisboa: Typographia Lacerdina, p. 1, 797
- ^ a b Figueiredo, Cândido de (1899), Novo diccionário da língua portuguesa, 1st ed., 2 vols., Lisboa: Tavares Cardoso & Irmão, p. s.v. exército
- ^ a b c Ferreira, Aurélio Buarque de Holanda, Novo dicionário Aurélio da língua portuguesa, digital edition, p. s.v. exército
- ^ a b Schlee, Aldyr Garcia (2019), Dicionário da Cultura Pampeana Sul-Rio-Grandense, 2 vols., Pelotas: Fructos do Paiz, p. s.v. exército
- ^ a b c Dicionário Priberam da Língua Portuguesa, Lisboa: Priberam Informática, https://dicionario.priberam.org, p. s.v. exército
- ^ 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. exército
- ^ a b Porto Editora (2013), Grande Dicionário da Língua Portuguesa, Porto: Porto Editora, p. 4079
- ^ 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. exército
Related etymologies
Cite this entry
“Exército.” Etymologically, 15 Nov. 2026, etymologically.com/pt/ex%C3%A9rcito. Accessed 16 Nov. 2026.
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