Etymologically

Etymology and origin of the Spanish word ejército

Confidence
Established
Formation
Borrowing
First attested
1376–1391 Juan Fernández de Heredia, Gran crónica de España More words from the 14th century
Borrowed from
Latin exercitus via Old Spanish
Ultimate origin
Latin arceō
Etymology tree
inherited borrowed derived
Latin arceō
Latin exerceō
Latin exercitus
Italian esercito
Spanish ejército
From the same root
Latin coerceō ← arceō
Latin exercitium ← exerceō
Latin exercitō ← exerceō

Pronunciation

  • /eˈxeɾθito/, [eˈxeɾ.θi.t̪o], /eˈxeɾsito/[1]

Forms

ejército m (plural ejércitos)[1] Old Spanish wrote exército or exérçito;[2][1] Wiktionary gives exército as an alternative form.[2][1]

Etymology

It is inherited from Old Spanish exército, borrowed from Latin exercitus (“physical exercise; army”), a learned word.[1][3][4][5] The DCECH explains the Latin noun as properly “a body of men trained for war”.[4] Like ejemplo, the borrowing was read with the Old Spanish value of ⟨x⟩, /ʃ/, rather than /ks/, and so took the modern /x/ and the spelling ⟨j⟩.[1]

The Latin noun is an action noun from exerceō (“to keep busy, exercise”) with the suffix -tus.[6][1] The verb is a compound of arceō (“to contain, keep out”), as Corominas and de Vaan both say.[4][7] De Vaan reconstructs a Proto-Indo-European causative verb meaning “to hold”, and compares Ancient Greek ἀρκέω (arkéō, “to ward off, defend; to suffice”).[7] Wikcionario gives the root as Proto-Indo-European *h₂erk-.[8]

The same Latin word was borrowed as Catalan exèrcit, Italian esercito and Asturian exércitu.[9][10][11] Spanish passed it on to Guarani ehérsito and Tagalog ehersito.[1]

Earliest recorded meaning

The CDH's earliest hit, in the Avisación de la dignidad real (after 1325), survives only in a copy of 1449.[2] The first text without a later copy is Juan Fernández de Heredia's Gran crónica de España (1376–1391): sallio de Valladolid con todo su exercito et fue a Palencia “he left Valladolid with all his army and went to Palencia”.[2] Corominas dates the word to about 1440, in Juan de Mena and the Marquis of Santillana.[4][5]

Semantic evolution

The word entered Castilian as a learned term, used by Mena, Santillana and Alfonso de Palencia in the 15th century and by Pero Mejía in 1545.[4] It replaced the medieval word for an army, hueste, only slowly.[4] Nebrija and Pedro de Alcalá still give only hueste, and Nebrija glosses Latin exercitus as la ueste de gentes.[4][12] By the Quijote it already sounds like an everyday word.[4] In the Americas it is recorded from 1532, in Mexico.[13]

The Academy's dictionary of 1817 describes an army as a great number of soldiers of infantry and cavalry under a general, and records the thieves' slang sense “prison”.[14][15] Domínguez (1846) adds “swarm, crowd, multitude”, a sense the Academy then left out.[16] The 1899 edition adds “the land forces of a nation”.[17] In old Aragon ejército was also the name of a tax.[18]

Timeline

  • after 1325 – exerçito real in the Avisación de la dignidad real (in a copy of 1449).[2]
  • 1376–1391 – exercito in Juan Fernández de Heredia's Gran crónica de España.[2]
  • 1417 – the first record in DICCA-XV.[12]
  • c. 1440 – Juan de Mena and the Marquis of Santillana use exército.[4][5]
  • 1492 – Nebrija still glosses Latin exercitus with hueste.[12]
  • 1532 – the first record from the Americas, in Mexico.[13]
  • 1817 – the Academy records the slang sense “prison”.[14]
  • 1899 – the Academy adds the sense “land forces of a nation”.[17]

Meanings

Noun

  1. An army: the land or air forces of a nation, often written with a capital: el Ejército del Aire.[3][19][1]
  2. (military) A large unit made up of several army corps together with other units and services.[3]
  3. A large group organised for a purpose, a host: un ejército de voluntarios.[3][19]
  4. (historical) A body of troops with their equipment under one command.[3]
  5. (thieves' slang, obsolete) A prison.[14][15]

Usage notes

Ejército is written with a capital when it names a particular army or branch of the forces: Ejército de Tierra, Ejército del Aire.[19][20]

References

  1. ^ a b c d e f g h i Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f Real Academia Española (2013–), Corpus del Diccionario histórico de la lengua española (CDH), version 3.1, https://apps.rae.es/CNDHE, p. s.v. ejército
  3. ^ a b c d e 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
  4. ^ a b c d e f g h i Corominas, Joan; Pascual, José A. (1980–1991), Diccionario crítico etimológico castellano e hispánico, 6 vols., Madrid: Gredos, p. 2, 548
  5. ^ a b c Corominas, Joan (1973), Breve diccionario etimológico de la lengua castellana, 3rd ed., Madrid: Gredos, p. s.v. ejercer
  6. ^ Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  7. ^ a b de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
  8. ^ Wikcionario (Spanish Wiktionary), es.wiktionary.org
  9. ^ Alcover, Antoni M.; Moll, Francesc de B. (1930–1962), Diccionari català-valencià-balear, 10 vols., Palma de Mallorca: Moll, p. s.v. exèrcit
  10. ^ Segura Munguía, Santiago (2014), Lexicón etimológico y semántico del latín y de las voces actuales que proceden de raíces latinas o griegas, Bilbao: Universidad de Deusto, p. 75
  11. ^ Academia de la Llingua Asturiana (2000), Diccionariu de la Llingua Asturiana, Uviéu: ALLA; online at https://mas.academiadelallingua.com/diccionariu, p. s.v. exércitu
  12. ^ a b c Lleal, Coloma (dir.), DICCA-XV: Diccionario del castellano del siglo XV en la Corona de Aragón, Barcelona: Universitat de Barcelona, Grup d'Estudis d'Història de la Llengua (GHCL), https://ghcl.ub.edu/diccaxv, p. s.v. ejército
  13. ^ a b Boyd-Bowman, Peter (2003), Léxico hispanoamericano 1493–1993, ed. Ray Harris-Northall and John J. Nitti, New York: Hispanic Seminary of Medieval Studies, p. s.v. ejército
  14. ^ a b c Real Academia Española (1817), Diccionario de la lengua castellana, 5th ed., Madrid: Imprenta Real, p. 342
  15. ^ a b Salillas, Rafael (1896), El delincuente español: el lenguaje, Madrid: Victoriano Suárez, p. 288
  16. ^ Domínguez, Ramón Joaquín (1846–1847), Diccionario nacional o gran diccionario clásico de la lengua española, 2 vols., Madrid: Establecimiento Léxico-Tipográfico de R. J. Domínguez, p. 660
  17. ^ a b Real Academia Española (1899), Diccionario de la lengua castellana, 13th ed., Madrid: Imprenta de los Sres. Hernando y Compañía, p. 379
  18. ^ Borao, Jerónimo (1908), Diccionario de voces aragonesas, 2nd ed., Zaragoza: Imprenta del Hospicio Provincial, p. 14
  19. ^ a b c Moliner, María (2007), Diccionario de uso del español, 3rd ed., Madrid: Gredos, p. s.v. ejército
  20. ^ Real Academia Española (2001), Diccionario de la lengua española, 22nd ed., Madrid: Espasa-Calpe, p. s.v. ejército

Related etymologies

Cite this entry

“Ejército.” Etymologically, 7 Nov. 2026, etymologically.com/es/ej%C3%A9rcito. Accessed 7 Nov. 2026.

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