Etymology and origin of the Spanish word bajar
- Confidence
- Established
- Formation
- Inherited
- First attested
- 1143 the Romance participle besado in a Latin privilege of Alfonso VII for Soria More words from the 12th century
- Inherited from
- Latin *bassio via Old Spanish
- Ultimate origin
- Late Latin bassus
Pronunciation
- /baˈxaɾ/, [baˈxaɾ][1]
Forms
bajar (first-person singular present bajo, first-person singular preterite bajé, past participle bajado)[1] Old and dialectal forms include baxar, baixar, bayxar, bayssar, vaxar, vajar, besar and baisar, and Leonese basiar.[2] Old Spanish wrote baxar with ⟨x⟩, still the Academy's spelling in 1726.^(DEMel|s.v. bajar(se))[3]
Etymology
It is inherited from Old Spanish baxar, inherited from Vulgar Latin *bassiare (“to lower”).[4][5][1] The Vulgar Latin verb is formed from Late Latin bassus (“stout and short; low”), or, in the DLE's wording, from a Vulgar Latin bassius.[5][4][6] This adjective is found only in glosses and as a personal name, and is thought to be Oscan.[7] Wiktionary also mentions Ancient Greek βάσις (básis) or βαθύς (bathús, “deep”) and a Celtic language as possible sources.[1]
García de Diego prefers *bassare, through a form *bacsare with ⟨cs⟩ for ⟨ss⟩ as in vejiga, and argues against Meyer-Lübke's *bassiare.[8] The same verb is Portuguese baixar, Galician baixar, Catalan baixar and French baisser.[8][9][10] The DHLF notes that the Vulgar Latin verb stood in opposition to *altiare, the source of hausser (“to raise”).[11]
The verb in turn shaped the adjective bajo: the Latin adjective first gave *basso, which became baxo under the influence of the verb before the first texts, as in baixo and baix, while the other Romance languages have bas and Italian basso.[7]
Earliest recorded meaning
The TDHLE's first record is a privilege of Alfonso VII of 1143, which grants the men of Soria the road per ond averon besado “by which they had come down” towards Valencia.[2] The BDELC dates the verb to the 12th century, and the prefixed abajar is in the Cantar de mio Cid (c. 1140).[4] In the Libro de Apolonio (c. 1240, in a 14th-century copy) it already means “to lower” in a figurative sense: a poor girl would not su dignidat baxar “lower her dignity”.[12]
Semantic evolution
The TDHLE arranges the senses under five heads: moving towards a lower place, humbling or bringing down, reducing, ending or withdrawing, and some others.[2] Alfonso X's prose already has “go down”, “diminish”, “put lower” and “lower the level”.[13] Covarrubias in 1611 recorded baxar la cabeça “to obey”, baxar el tono “to speak less loudly” and baxar de precio “to get cheaper”.[14] In 1726 the Academy noted that the verb is formed from baxo and that the old form was abaxar.[3]
In the River Plate region and elsewhere bajar means to go from the countryside to the city, a sense recorded from 1866; a 1953 text notes that going to Madrid was called bajar.[2] Modern senses include lowering prices or the volume and, in computing, downloading a file.[5][1] In Mexico, Ecuador and Peru it also means to let air out of a tyre, and figuratively to tone down a statement.[15]
Timeline
- c. 1140 – the prefixed abajar appears in the Cantar de mio Cid.[4]
- 1143 – a privilege of Alfonso VII for Soria has the form besado “come down”.[2]
- c. 1240 – the Libro de Apolonio (in a 14th-century copy) uses baxar figuratively.[12]
- 1254 – Alfonso X's Judizios de las estrellas uses it for falling from power.[13]
- 1499 – the Celestina uses it for going down to open a door.[2]
- 1611 – Covarrubias records baxar la cabeça, baxar el tono and baxar de precio.[14]
- 1726 – the Diccionario de Autoridades defines baxar as going down from a higher place.[3]
- 1866 – first record of the River Plate sense “go down to the city”, in Estanislao del Campo's Fausto.[2]
Meanings
Verb
- (intransitive) To go or move down, to descend: El agua baja por la ladera.[5][1]
- (intransitive, also reflexive) To go to a lower place: Bájate al portal a esperarme.[5]
- (intransitive) To travel south, or towards the end of something.[5]
- (intransitive, also reflexive) To get down from an animal or thing, or to get off or out of a vehicle: Se bajó del autobús en la plaza.[5][1]
- (intransitive) To decrease, to fall in level, price or value: Ha bajado la fiebre.[5]
- (intransitive) To lose power, standing or fortune.[5]
- (intransitive, music) Of a voice or instrument, to move to a lower pitch.[5]
- (transitive) To go down a slope or staircase from top to bottom.[5]
- (transitive) To take or bring something or someone down, or to lower something: Baja la caja del armario.[5][1]
- (transitive) To reduce the level of something, such as the volume or the price.[5][1]
- (transitive, computing) To download.[1]
- (Mexico, Ecuador, Peru) To let air out of a tyre to the right pressure.[15]
Word family
- baja
- bajada
- abajar
- bajante
- rebajar
- bajamar
Related words
- bajo
- abajo
- Portuguese baixar
- French baisser
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 Real Academia Española (2021–), Tesoro de los diccionarios históricos de la lengua española (TDHLE): Diccionario histórico (1933–1936), its unpublished slips, Diccionario histórico (1960–1996), DHECan, DHECR, DHEVen, https://www.rae.es/tdhle, p. s.v. bajar
- ^ a b c Real Academia Española (1726–1739), Diccionario de la lengua castellana (Diccionario de Autoridades), 6 vols., Madrid: Francisco del Hierro, p. 1, 577
- ^ a b c d Corominas, Joan (1973), Breve diccionario etimológico de la lengua castellana, 3rd ed., Madrid: Gredos, p. s.v. bajar
- ^ a b c d e f g h i j k l m 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. bajar
- ^ Gómez de Silva, Guido (1988), Breve diccionario etimológico de la lengua española, México: Fondo de Cultura Económica / El Colegio de México, p. s.v. bajar
- ^ a b Corominas, Joan; Pascual, José A. (1980–1991), Diccionario crítico etimológico castellano e hispánico, 6 vols., Madrid: Gredos, p. 1, 461
- ^ a b García de Diego, Vicente (1985), Diccionario etimológico español e hispánico, 2nd ed., Madrid: Espasa-Calpe (1st ed. 1954), p. 946
- ^ Cunha, Antônio Geraldo da (2010), Dicionário etimológico da língua portuguesa, 4th ed., Rio de Janeiro: Lexikon, p. 448
- ^ Coromines, Joan (1980–2001), Diccionari etimològic i complementari de la llengua catalana, 10 vols., Barcelona: Curial / La Caixa (online ed., Institut d'Estudis Catalans 2024), p. 1, 555
- ^ Rey, Alain, ed. (1992), Dictionnaire historique de la langue française, Paris: Le Robert, p. s.v. baisser
- ^ 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. bajar
- ^ 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. bajar
- ^ a b Covarrubias Orozco, Sebastián de (1611), Tesoro de la lengua castellana o española, Madrid: Luis Sánchez (Biblioteca Wordkers transcription, CC BY 4.0), p. 291
- ^ a b Asociación de Academias de la Lengua Española (2010), Diccionario de americanismos, Lima: Santillana; online at https://www.asale.org/damer, p. s.v. bajar
Related etymologies
Cite this entry
“Bajar.” Etymologically, 7 Nov. 2026, etymologically.com/es/bajar. Accessed 7 Nov. 2026.
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