Etymologically

Etymology and origin of the Portuguese word só

Confidence
Established
Formation
Inherited
First attested
1200s More words from the 13th century
Inherited from
Latin solus
Ultimate origin
Latin solus
Etymology tree
inherited borrowed derived
Latin sōlus
French seul
Italian solo
English solo
Portuguese só
Spanish solo
From the same root
Latin dēsōlō ← sōlus
Latin sōlitās ← sōlus
Latin sōlitūdō ← sōlus
Latin sōlō ← sōlus
Latin sōlum ← sōlus
French seulement ← seul
English soloist ← solo
Italian solamente ← solo
Italian soltanto ← solo

Pronunciation

  • Brazil: /ˈsɔ/[1]
  • Portugal: /ˈsɔ/[1]

Forms

só m or f (plural sós)[1] Old Galician-Portuguese wrote the masculine soo and the feminine soa.[2][3] Houaiss notes that the feminine soa was used from the 13th century and was replaced from the 16th by the masculine form, which then served for both genders.[2] Barbosa (1611) still gives soo beside só.[4]

Etymology

It is inherited from Latin sōlus (“alone”), written Old Galician-Portuguese soo (feminine Old Galician-Portuguese soa) in the oldest texts.[2][5][1] Nascentes derives the word from Latin through these two archaic forms.[5] The learned solo is a doublet of the same Latin word.[1]

The same Latin word is Galician só, Spanish solo, Catalan sol, Occitan sol, French seul and Italian solo.[6][1] In Old French, Old Italian, Old Occitan and Old Spanish the word was also used as an uninflected adverb, as the Portuguese word is today.[6][7]

The origin of the Latin word is unclear.[8][1] The traditional explanation from the reflexive pronoun *swé, “by oneself”, is rejected by de Vaan, who considers a link with *solh₂- (“whole”) semantically possible.[8][1]

Earliest recorded meaning

The Cantigas de Santa Maria use soo and soa for “alone, by oneself”: Soo, sen conpannia, / o camynn'enton colleu / o moç' “alone, without company, the boy then took the road”.[3] The satirical cantigas of Afonso X have Med' ei do pertigueir' e ando soo “I fear the bailiff and go alone”, and other troubadours use the word for “only”.[3]

Semantic evolution

Both main uses were there from the start: the adjective “alone, unaccompanied” and the adverb “only”, which Houaiss dates to the 13th century as well.[2][3] Feijó's spelling book of 1734 treats só as an adverb meaning sómente and so rejects a plural soses, but the plural sós of the adjective is normal today (a sós “on one's own”).[9][1][2]

From “alone” come the senses “lonely, withdrawn from society” and “deserted, unfrequented” (of a place).[2] The adverb “only” led to the sense “single, sole” (um só).[2][10] The noun só names, in the card game voltarete, a hand played only with the cards first dealt.[2][11] The conjunctional phrase só que “except that, but” introduces an objection.[2]

Timeline

  • 13th century – soo and soa in the cantigas, both as “alone” and as “only”.[2][3]
  • c. 1430 – só in the Horto do Esposo (copied 1390–1437).[12]
  • 1569 – Cardoso translates Só by Latin solus.[13]
  • 1611 – Barbosa heads the word Só, aliàs soo.[4]
  • 1697 – Pereira glosses só as “unique”.[14]
  • 1734 – Feijó treats só as an adverb with no plural.[9]
  • 1755 – Folqman records só por só “alone with someone”.[15]

Meanings

Adjective

  1. alone, without company: Ela gosta de jantar só.[2][10][1]
  2. single, sole, only one: Não houve um só voto contra.[2][1]
  3. lonely, living apart from others; feeling isolated.[2][1]
  4. Of a place: deserted, unfrequented.[2][16]
  5. Without help or support, left to oneself.[2][16]

Adverb

  1. only, just, merely: Só quero dormir um pouco.[2][1]
  2. (formal) Alone, without help.[1]

Noun

  1. A person who lives alone or has no family.[17][18]
  2. In the card game voltarete, a hand played with the cards first dealt, without drawing.[2][11]

Word family

  • somente
  • sozinho

Usage notes

Fixed phrases: a sós “on one's own, in private”;[2][18] só por só “one by one”;[2][18] só que “except that, but”; and the proverb antes só que mal acompanhado “better alone than in bad company”.[2][18]

In Trás-os-Montes a noun só names the cover of a beehive or the bottom of a vessel; the sources give no etymology for it.[19]

References

  1. ^ a b c d e f g h i j k l m n Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j k l m n o p q r s t Houaiss, Antônio; Villar, Mauro de Salles (2001), Dicionário Houaiss da língua portuguesa, Rio de Janeiro: Objetiva, p. s.v. só
  3. ^ a b c d e Instituto da Lingua Galega, Dicionario de dicionarios do galego medieval (DDGM), ed. Ernesto González Seoane, Santiago de Compostela: Universidade de Santiago de Compostela, https://ilg.usc.gal/ddgm, p. s.v. soo
  4. ^ a b Barbosa, Agostinho (1611), Dictionarium lusitanicolatinum, Braga: Fructuoso Lourenço de Basto (CLP transcription, Universidade de Aveiro), p. s.v. só
  5. ^ a b Nascentes, Antenor (1966), Dicionário etimológico resumido, Rio de Janeiro: Instituto Nacional do Livro, p. s.v. só
  6. ^ a b Meyer-Lübke, Wilhelm (1935), Romanisches etymologisches Wörterbuch, 3rd ed., Heidelberg: Winter, p. 8080
  7. ^ Corominas, Joan; Pascual, José A. (1980–1991), Diccionario crítico etimológico castellano e hispánico, 6 vols., Madrid: Gredos, p. 5, 295
  8. ^ 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, p. s.v. sōlus
  9. ^ a b 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. só
  10. ^ a b Ferreira, Aurélio Buarque de Holanda, Novo dicionário Aurélio da língua portuguesa, digital edition, p. s.v. só
  11. ^ a b Dicionário Priberam da Língua Portuguesa, Lisboa: Priberam Informática, https://dicionario.priberam.org, p. s.v. só
  12. ^ Centro de Linguística da Universidade de Lisboa, CTA – Corpus de Textos Antigos, https://teitok.clul.ul.pt/cta, p. s.v. só
  13. ^ Cardoso, Jerónimo (1569–1570), Dictionarium ex lusitanico in latinum sermonem, Lisboa: João Álvares (CLP transcription, Universidade de Aveiro), p. s.v. só
  14. ^ Pereira, Bento (1697), Thesouro da lingoa portuguesa, in the 1697 edition of his Prosodia (1st ed. 1647; CLP transcription, Universidade de Aveiro), p. s.v. só
  15. ^ Folqman, Carlos (1755), Diccionario portuguez, e latino, Lisboa: Régia Officina Silviana (CLP transcription, Universidade de Aveiro), p. s.v. só
  16. ^ 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. só
  17. ^ Academia das Ciências de Lisboa, Dicionário da Língua Portuguesa, revised online edition (2023–) of the Dicionário da Língua Portuguesa Contemporânea (2001), https://dicionario.acad-ciencias.pt, p. s.v. só
  18. ^ a b c d Porto Editora (2013), Grande Dicionário da Língua Portuguesa, Porto: Porto Editora, p. 8550
  19. ^ Instituto da Lingua Galega, Tesouro do léxico patrimonial galego e portugués (TLPGP), Santiago de Compostela: Universidade de Santiago de Compostela, https://ilg.usc.gal/tesouro, p. s.v. só

Related etymologies

Cite this entry

“Só.” Etymologically, 15 Nov. 2026, etymologically.com/pt/s%C3%B3. Accessed 16 Nov. 2026.

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