Etymologically

Etymology and origin of the Portuguese word sem

Confidence
Established
Formation
Inherited
First attested
1200s spelt sen More words from the 13th century
Inherited from
Latin sine
Ultimate origin
Latin sine
Etymology tree
inherited borrowed derived
Latin sine
French sans
Portuguese sem
Spanish sin

Pronunciation

  • Brazil: /ˈsẽj̃/, [ˈsẽɪ̯̃][1]
  • Portugal: /ˈsɐ̃j̃/[1]

Etymology

It is inherited from Latin sine (“without”), written Old Galician-Portuguese sen in the oldest texts.[2][3][1]

The same Latin word is Galician sen, Catalan sens and Old Spanish sen, a form not rare in medieval texts, especially Leonese and Aragonese ones.[4][5] Corominas finds the modern Spanish sin isolated in Romance, since the Latin word should regularly have kept its vowel e there.[4] The REW treats French sans and Italian senza separately, and Wiktionary explains the French word as the Latin word blended with absentia.[6][1]

De Vaan reconstructs Proto-Italic *sn(H)i and Proto-Indo-European *sn̥h₁-i, perhaps a locative, and compares Ancient Greek ἄνευ (áneu, “without”), Old High German suntar (“without”) and Tocharian B snai (“without”).[7] Wiktionary gives the root as *sene and notes that older Latin expressed “without” with sē.[1]

Earliest recorded meaning

The Cantigas de Santa Maria use sen freely: morreu sen confisson “he died without confession”, sen aver pitança “without having a pittance”, and many fixed phrases such as sen dulta “without doubt” and sen demora “without delay”.[8] In the Cancioneiro da Ajuda it forms adjective phrases equivalent to a prefix of privation, such as sen mesura, sen ventura and sen sabor.[8]

Semantic evolution

Medieval texts also use it for “apart from, besides” and, in the cantigas d'amigo, for “except, unless”.[8] Viterbo found it used for “not” in old documents, as in sem declarando “not declaring”.[9] Morais describes it in 1789 as a preposition of exclusion before a noun or a clause.[10]

From the 19th century sem also works as a prefix for privation, as in sem-vergonha and sem-terra.[11] The word passed into Macanese as sim and into Ambonese Malay as seng.[1]

Timeline

  • 13th century – first records, spelt sen.[2][3]
  • 14th century – the spelling sem.[2][3]
  • 1416 – sem in the Vida do Cativo Monge Confesso.[12]
  • 1611 – Barbosa lists many phrases with it, such as sem cuydado and sem honra.[13]
  • 1789 – Morais defines it as a preposition of exclusion.[10]
  • 1798–1799 – Viterbo records its old use for “not”.[9]
  • 19th century – sem- begins to be used as a prefix.[11]

Meanings

Preposition

  1. without: indicating absence, lack or privation: um homem sem medo.[2][11][1]
  2. (before an infinitive) Without doing: Partiu sem dizer adeus.[2][14][1]
  3. (before an infinitive) Expressing concession or a condition not met: Sem o saber, ajudou-nos muito.[2][14]
  4. except, apart from: Vieram todos sem o diretor.[15][11]

Word family

  • sem-noção
  • sem-terra
  • sem-vergonha

Usage notes

Common fixed phrases are sem dúvida “certainly”, sem mais nem menos “for no reason, suddenly” and sem tirar nem pôr “exactly”;[16][15] sem que introduces a clause in the subjunctive.[16][15] Sem sounds the same as cem “hundred”.[15][17]

The cantigas also have a noun sen or sem “sense, judgement”, as in perdi o sem e a razom “I lost my sense and reason”, in a cantiga of Dinis;[18][8] Michaëlis derived it from Old Occitan sen.[18][8]

References

  1. ^ a b c d e f g h Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f Houaiss, Antônio; Villar, Mauro de Salles (2001), Dicionário Houaiss da língua portuguesa, Rio de Janeiro: Objetiva, p. s.v. sem
  3. ^ a b c Cunha, Antônio Geraldo da (2010), Dicionário etimológico da língua portuguesa, 4th ed., Rio de Janeiro: Lexikon, p. s.v. sem
  4. ^ a b Corominas, Joan; Pascual, José A. (1980–1991), Diccionario crítico etimológico castellano e hispánico, 6 vols., Madrid: Gredos, p. 5, 254
  5. ^ García de Diego, Vicente (1985), Diccionario etimológico español e hispánico, 2nd ed., Madrid: Espasa-Calpe (1st ed. 1954), p. s.v. sine
  6. ^ Meyer-Lübke, Wilhelm (1935), Romanisches etymologisches Wörterbuch, 3rd ed., Heidelberg: Winter
  7. ^ 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. sine
  8. ^ 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. sen
  9. ^ a b Viterbo, Joaquim de Santa Rosa de (1798–1799), Elucidario das palavras, termos e frases que em Portugal antiguamente se usárão, 2 vols., Lisboa: Simão Thaddeo Ferreira, p. 2, 311
  10. ^ a b Silva, António de Morais (1789), Diccionario da lingua portugueza composto pelo padre D. Rafael Bluteau, reformado, e accrescentado, 2 vols., Lisboa: Simão Thaddeo Ferreira, p. 2, 387
  11. ^ a b c d Ferreira, Aurélio Buarque de Holanda, Novo dicionário Aurélio da língua portuguesa, digital edition, p. s.v. sem
  12. ^ Centro de Linguística da Universidade de Lisboa, CTA – Corpus de Textos Antigos, https://teitok.clul.ul.pt/cta, p. s.v. sem
  13. ^ Barbosa, Agostinho (1611), Dictionarium lusitanicolatinum, Braga: Fructuoso Lourenço de Basto (CLP transcription, Universidade de Aveiro), p. s.v. sem
  14. ^ 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. sem
  15. ^ a b c d Aulete, Francisco Júlio Caldas, Dicionário contemporâneo da língua portuguesa (1st ed. 1881), online as Aulete Digital, Rio de Janeiro: Lexikon, https://aulete.com.br, p. s.v. sem
  16. ^ a b Porto Editora (2013), Grande Dicionário da Língua Portuguesa, Porto: Porto Editora, p. 8381
  17. ^ Dicionário Priberam da Língua Portuguesa, Lisboa: Priberam Informática, https://dicionario.priberam.org, p. s.v. sem
  18. ^ a b Lopes, Graça Videira; Ferreira, Manuel Pedro et al. (2011–), Cantigas Medievais Galego-Portuguesas [online database], Lisboa: Instituto de Estudos Medievais, FCSH/NOVA, https://cantigas.fcsh.unl.pt, p. s.v. sem

Related etymologies

Cite this entry

“Sem.” Etymologically, 15 Nov. 2026, etymologically.com/pt/sem. Accessed 16 Nov. 2026.

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