Etymologically

Etymology and origin of the Spanish word en

Confidence
Established
Formation
Inherited
First attested
900s Glosas Silenses More words from the 9th century
Inherited from
Latin in
Ultimate origin
Proto-Indo-European *h₁en
Etymology tree
inherited borrowed derived
Latin in
Aromanian ãn
French en
Italian in
Spanish en
From the same root
Latin īlicō ← in
Latin imprīmīs ← in
Latin incassum ← in
Latin incontrā ← in
Latin īnsimul ← in
Latin īnsinuō ← in
Latin īnsuper ← in
Latin intrō ← in
Latin invicem ← in
Latin inviō ← in
French endroit ← en
French enfin ← en
French enfuir ← en
French enlever ← en
French ensuite ← en
French envers ← en
French lendemain ← en
Italian infatti ← in
Italian inoltre ← in
Italian insomma ← in
Italian intorno ← in
Italian invece ← in

Pronunciation

  • /en/, [ẽn], /ˈem/[1]

Etymology

It is inherited from Latin in (“in, into”), already Old Spanish en.[2][3][1] Corominas leaves its history to the grammars.[2]

Latin in, written en in the Duenos inscription, goes back to Proto-Italic *en and Proto-Indo-European *h₁en “in”, the source also of Ancient Greek ἐν (en) and Old Irish in-.[4][5]

Earliest recorded meaning

Corominas dates it to the earliest texts, the Glosas Silenses of the 10th century.[2][6] In the Cantar de mio Cid (c. 1140, known from a 14th-century copy) it means “in, among”: „Mio Cid Ruy Díaz por Burgos entró, en su conpaña sessaenta pendones” “My Cid Ruy Díaz rode into Burgos, sixty pennons in his company”.[7]

Semantic evolution

Old Spanish did not keep en for rest and a for motion as the modern language does: pasar en, llegar en and caer en are still found in the Guzmán de Alfarache and the Quijote, and such uses are far more frequent in Berceo.[2] The Academy's dictionary of 1817 called the sense “end point of a verb of motion” old, though still used in some provinces; today entrar en casa is standard.[8][3] The phrase ir en casa “to go to someone's house” is found in Pérez de Hita, in 19th-century Andalusian writers, in the speech of León and Castile and widely in the Americas, where it has been wrongly called a Gallicism or Italianism.[2]

With a gerund it means “as soon as” (en llegando), a use Alfonso X already has and that sounds foreign in Argentina.[9][2] With an infinitive in the same sense (en oír esto) it belongs to Valencian and other eastern writers such as Timoneda and imitates the Catalan construction.[2] The 1817 dictionary also recorded an old sense “with”, then still used by Valencians.[8] In Argentina en lo de means “at the house of”.[10]

Timeline

  • 900s – the Glosas Silenses have the word.[2][6]
  • c. 1140 – the Cantar de mio Cid uses it.[7]
  • 1250–1279 – Alfonso X's Lapidario uses it with a gerund (en sacando) and for the goal of a motion (en lenguaie castellano).[9]
  • 1512 – the first record from the Americas, in Puerto Rico.[11]
  • 1611 – Covarrubias relates it to Latin in.[12]
  • 1817 – the Academy calls the uses with verbs of motion and in the sense “with” old.[8]
  • 1899 – the Academy's dictionary gives the etymology, Latin in.[13]

Meanings

Preposition

  1. in, at, on: marks the place, time or manner of an action: Vivo en Granada. Nació en invierno.[3][1]
  2. Upon: Deja el libro en la mesa.[14][1]
  3. In (a field of activity): Es experta en historia.[3]
  4. In (a state of progress): La ley está en estudio.[3]
  5. By (a sign by which something is known): La reconocí en la voz.[3]
  6. In (a language or a means): Escribe en inglés. Viajamos en tren.[1]
  7. With a gerund, as soon as, after: En terminando, nos vamos.[3]
  8. Marks the end point of some verbs of motion: Entró en la sala.[3]
  9. (obsolete) with.[3]

Usage notes

Old Spanish combined it with the article as enna, ena and eno “in the”.[15][16] A different Old Spanish and Aragonese word, en or ende “thence, of it”, comes from Latin inde;[17][18][19] Aragonese still uses it like French en (m'en voy “I am going away”).[17][18][19]

References

  1. ^ a b c d e Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h Corominas, Joan; Pascual, José A. (1980–1991), Diccionario crítico etimológico castellano e hispánico, 6 vols., Madrid: Gredos, p. 2, 584
  3. ^ a b c d e f g h i 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. en
  4. ^ de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill, p. s.v. in
  5. ^ Gómez de Silva, Guido (1988), Breve diccionario etimológico de la lengua española, México: Fondo de Cultura Económica / El Colegio de México, p. 256
  6. ^ a b Corominas, Joan; Pascual, José A. (1980–1991), Diccionario crítico etimológico castellano e hispánico, 6 vols., Madrid: Gredos, p. 5, 213
  7. ^ a b Real Academia Española (2013–), Corpus del Diccionario histórico de la lengua española (CDH), version 3.1, https://apps.rae.es/CNDHE, p. s.v. en
  8. ^ a b c Real Academia Española (1817), Diccionario de la lengua castellana, 5th ed., Madrid: Imprenta Real, p. 350
  9. ^ a b Kasten, Lloyd A.; Nitti, John J.; Gago Jover, Francisco (2002–), Diccionario de la prosa castellana del Rey Alfonso X, New York: Hispanic Seminary of Medieval Studies (electronic edition 2024), p. s.v. en
  10. ^ Asociación de Academias de la Lengua Española (2010), Diccionario de americanismos, Lima: Santillana; online at https://www.asale.org/damer, p. s.v. en
  11. ^ 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. en
  12. ^ Covarrubias Orozco, Sebastián de (1611), Tesoro de la lengua castellana o española, Madrid: Luis Sánchez (Biblioteca Wordkers transcription, CC BY 4.0), p. 728
  13. ^ Real Academia Española (1899), Diccionario de la lengua castellana, 13th ed., Madrid: Imprenta de los Sres. Hernando y Compañía, p. 388
  14. ^ Moliner, María (2007), Diccionario de uso del español, 3rd ed., Madrid: Gredos, p. s.v. en
  15. ^ Diccionario del Español Medieval electrónico (DEMel), data publication 2026 (CC BY-SA), Universität Rostock, p. s.v. en
  16. ^ Salvá, Vicente (1846), Nuevo diccionario de la lengua castellana, París: Librería de Don Vicente Salvá, p. 436
  17. ^ a b Boggs, R. S.; Kasten, Lloyd; Keniston, Hayward; Richardson, H. B. (1946), Tentative Dictionary of Medieval Spanish, 2 vols., Chapel Hill, N.C., p. 213
  18. ^ a b 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. en
  19. ^ a b Borao, Jerónimo (1908), Diccionario de voces aragonesas, 2nd ed., Zaragoza: Imprenta del Hospicio Provincial, p. 14

Related etymologies

Cite this entry

“En.” Etymologically, 7 Nov. 2026, etymologically.com/es/en. Accessed 7 Nov. 2026.

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