Etymology and origin of the Spanish word otro
- Confidence
- Established
- Formation
- Inherited
- First attested
- c. 950 Glosas Emilianenses, as altro More words from the 10th century
- Inherited from
- Latin alter via Old Spanish
- Ultimate origin
- Proto-Indo-European *h₂élteros
From the same root
Pronunciation
- /ˈotɾo/, [ˈo.t̪ɾo][1]
Forms
otro m (plural otros, feminine otra, feminine plural otras)[1] The earliest form is altro (Glosas Emilianenses), and medieval texts also have altra, altre, otre and alotro.[2][3] Leonese has utro, with the u of uno, and Asturian utru;[4] otre and otri are found in Soria, La Rioja and Navarre.[4]
Etymology
It is inherited from Old Spanish altro (the form of the Glosas Emilianenses; the Cid already has the modern form), inherited from Latin alter (“the other of two”).[2][5][6][1] Already in Vulgar Latin it replaced classical alius (“other”), and in this form it passed into all the Romance languages.[2] The Spanish Wiktionary and Gómez de Silva set an intermediate stage autro.[7][8] The Academy's dictionaries have named different Latin case forms: the 1884 edition the ablative, the 2001 edition the accusative, and the current one simply the nominative.[9][10][6]
The same Latin word is Portuguese outro, Galician outro, Asturian otru, Aragonese atro, Catalan altre, Occitan autre, French autre, Italian altro and Romanian alt.[1][11][4] Unlike its sister languages, Castilian does not combine the word with the indefinite article un, although Old Aragonese inventories of 1379 have this combination.[2] The obsolete pronoun otri (“another person”), from the Latin dative, is recorded from 1251.[2]
The Latin word is formed from the same base as the classical word for “other”, from Proto-Italic *al-tero- and Proto-Indo-European *h₂el-tero- “the other (of two)”, with the contrastive suffix also seen in Ancient Greek ἕτερος (héteros).[12][13][1]
Earliest recorded meaning
The Glosas Emilianenses of about 950 have altro, and the Cantar de mio Cid (c. 1140) has otro.[2][5] The Cid already uses it as pronoun and adjective and in the phrases otro tanto “as much again” and otro día mañana “the next morning”.[14]
Semantic evolution
Old Spanish otro also meant “next”: an Alfonsine chronicle promises a letter de aqui a otro dia de cras por noche “by the night after tomorrow”.[15] The compound otrosí “likewise” (1100, and in the Cid) is formed with sí “so” and survives only in legal language.[2][5] Otramente “otherwise” was used from the Libro de Alexandre to Alonso de Palencia but later dropped, while it stayed alive in the other Romance languages.[2]
Nebrija in 1513 glossed it as “one of the two”, Latin alter.[16] The Diccionario de Autoridades recorded its use to mark a close likeness (es otro San Francisco) and the exclamation ¡otra! of annoyance, and the Academy's 1884 edition added ¡otra! as the call for an encore.[17][9] The adverb otrora “formerly” is a literary loan from Portuguese outrora, first recorded in Argentina in 1913.[2][5]
Timeline
- c. 950 – the Glosas Emilianenses have altro.[2]
- 1100 – first record of the compound otrosí.[2]
- c. 1140 – the Cantar de mio Cid has otro, otro tanto and otro día mañana.[2][14]
- 1251 – the Calila e Dimna has the pronoun otri “another person”.[2]
- 1379 – Old Aragonese inventories use un otro.[2]
- 1494 – the first record from the Americas, in Santo Domingo.[18]
- 1726–1739 – the Diccionario de Autoridades records es otro San Francisco and the interjection ¡otra!.[17]
- 1884 – the Academy adds ¡otra! as a call for an encore.[9]
- 1913 – first record of otrora, a loan from Portuguese.[2]
Meanings
Adjective
- other, different from the person or thing being spoken of; also as a noun: Prefiero el otro coche.[6][1]
- another, one more, without the article: Dame otra oportunidad.[6]
- Used to mark a close likeness between two different people or things: es otro Picasso “he is a second Picasso”.[6][17]
- With the article before words of time such as día or tarde, a recent past: el otro día “the other day”.[6]
- With the article before words such as día, semana or año, the following one: al otro día “the next day”.[6]
Pronoun
Interjection
- ¡otra!: a call for an encore at a performance; also an expression of impatience at someone's repeated mistakes.[6]
Word family
- otrosí
- estotro
- esotro
Related words
- alterar
- alterno
- otrora
- altruismo
- Latin alter
- Portuguese outro
Usage notes
Esa es otra says that what has just been said is one more absurdity or difficulty.[6][17] Castilian does not say un otro: it is otro libro “another book”.[2]
References
- ^ a b c d e f g Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d e f g h i j k l m n o p Corominas, Joan; Pascual, José A. (1980–1991), Diccionario crítico etimológico castellano e hispánico, 6 vols., Madrid: Gredos, p. 4, 323
- ^ Diccionario del Español Medieval electrónico (DEMel), data publication 2026 (CC BY-SA), Universität Rostock, p. s.v. otro
- ^ a b c García de Diego, Vicente (1985), Diccionario etimológico español e hispánico, 2nd ed., Madrid: Espasa-Calpe (1st ed. 1954), p. art. 463
- ^ a b c d Corominas, Joan (1973), Breve diccionario etimológico de la lengua castellana, 3rd ed., Madrid: Gredos, p. s.v. otro
- ^ a b c d e f g h i j 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. otro
- ^ Wikcionario (Spanish Wiktionary), es.wiktionary.org, p. s.v. otro
- ^ Gómez de Silva, Guido (1988), Breve diccionario etimológico de la lengua española, México: Fondo de Cultura Económica / El Colegio de México, p. 514
- ^ a b c Real Academia Española (1884), Diccionario de la lengua castellana, 12th ed., Madrid: Imprenta de D. Gregorio Hernando (the first Academy edition with etymologies), p. 769
- ^ Real Academia Española (2001), Diccionario de la lengua española, 22nd ed., Madrid: Espasa-Calpe, p. s.v. otro
- ^ Meyer-Lübke, Wilhelm (1935), Romanisches etymologisches Wörterbuch, 3rd ed., Heidelberg: Winter, p. s.v. alter
- ^ 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. alius
- ^ Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press, p. s.v. alter
- ^ a b Menéndez Pidal, Ramón (1908–1911), Cantar de Mio Cid: texto, gramática y vocabulario, 3 vols., Madrid: Bailly-Baillière, p. 373
- ^ 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. otro
- ^ Nebrija, Antonio de (1513), Vocabulario español-latino, Salamanca, ed. Marina Vidal Díez (2007), Biblioteca Virtual Miguel de Cervantes, p. 391
- ^ a b c d Real Academia Española (1726–1739), Diccionario de la lengua castellana (Diccionario de Autoridades), 6 vols., Madrid: Francisco del Hierro, p. 5, 65
- ^ 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. otro
Related etymologies
Cite this entry
“Otro.” Etymologically, 7 Nov. 2026, etymologically.com/es/otro. Accessed 7 Nov. 2026.
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