Etymologically

Etymology and origin of the Portuguese word mosteiro

Confidence
Established
Formation
Inherited
First attested
1270 spelt moesteiro More words from the 13th century
Inherited from
Latin *monisterium
Ultimate origin
Ancient Greek μόνος

Pronunciation

  • Brazil: /mosˈte(j).ɾu/, [mosˈte(ɪ̯).ɾu][1]
  • Rio-de-Janeiro: /moʃˈte(j).ɾu/, [moʃˈte(ɪ̯).ɾu][1]
  • Portugal: /muʃˈtɐj.ɾu/[1]
  • Northern, Portugal: /muʃˈtej.ɾu/[1]

Forms

mosteiro m (plural mosteiros)[1] Old Galician-Portuguese wrote moesteiro, mõesteiro, monesteyro and mosteiro;[2][3] Houaiss adds monesteiro (1340), moysteyro (14th century) and mojsteiro (15th century).[2][3]

Etymology

It is inherited from Vulgar Latin *monistērium, a popular form of Late Latin monastērium (“monastery”), written Old Galician-Portuguese moesteiro in the oldest texts, also with a nasal tilde.[2][3][4][1] The Latin word is from Ancient Greek μοναστήριον (monastḗrion, “hermit's dwelling, monastery”), from μόνος (mónos, “alone”).[2][1]

Leite de Vasconcelos, quoted by Nascentes, explains the popular Latin form by analogy with baptistērium and traces the series from the nasal form through moosteiro to the modern word.[5] Carolina Michaëlis de Vasconcelos likewise derives the form without the tilde from the nasal one.[6]

The same Latin word is Galician mosteiro, French moutier, Catalan monestir and Italian monastero, and it was borrowed into Germanic as munistri and minster.[7][1] Spanish monasterio is a learned word.[8] Portuguese has the learned doublet monastério.[2][1]

Earliest recorded meaning

Houaiss's earliest form is moesteiro in 1270, and he dates the word to 1273.[2] The Cantigas de Santa Maria speak of un mõesteir' antigo, and Airas Nunez of searching nos moesteiros dos frades regrados “in the monasteries of the friars under rule”.[6]

Semantic evolution

Viterbo noticed the great number of mosteiros in the oldest documents and explained it from an older sense: following Cassian, the cell of a single monk was a monasterium, and a hut of branches could be one.[9] He records the word also for cathedrals and for the mother churches of parishes served by a body of clergy, and Houaiss lists among its old senses the cell of a religious, the cathedral and a small chapel or vault where the dead were buried.[9][2] Morais (1813) adds the mosteiro de herdeiros, a church beside which a family lived bound to give alms and lodging to friars, priests and pilgrims, passed down to its heirs.[10]

Since the dictionaries of the 16th century the word has meant a house of monks or nuns, a convent.[11][12][2]

Timeline

  • 1270 – first record, as moesteiro.[2]
  • 1273 – Houaiss's date for the word.[2]
  • 13th century – mõesteiro in the Cantigas de Santa Maria;[6][3] Cunha dates mosteiro, moesteiro and monesteyro to this century.[6][3]
  • 1340 – the form monesteiro.[2]
  • 1390 – a charter of Noia names the abbot do moesteiro de Sam Justo.[6]
  • c. 1438 – the Vida de Santa Eufrosina uses mosteiro.[13]
  • 1569 – Cardoso glosses it with Latin caenobium.[11]
  • 1798 – Viterbo's Elucidário discusses the old senses of the word.[9]

Meanings

Noun

  1. A monastery, a house where monks (monges) or nuns live in community; a convento.[2][14][15][1]
  2. The community of monks or nuns who live in a monastery.[15][16]
  3. (obsolete) The cell of a single religious.[2][15]
  4. (obsolete) A cathedral.[2][9]
  5. (obsolete) A small chapel or vault where the dead were buried.[2][10]

Usage notes

Silva Bastos records língua mosteira as the name of an old Portuguese creole of Diu.[17]

References

  1. ^ a b c d e f g h i j Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j k l m n o Houaiss, Antônio; Villar, Mauro de Salles (2001), Dicionário Houaiss da língua portuguesa, Rio de Janeiro: Objetiva, p. s.v. mosteiro
  3. ^ a b c d e Cunha, Antônio Geraldo da (2010), Dicionário etimológico da língua portuguesa, 4th ed., Rio de Janeiro: Lexikon, p. s.v. mosteiro
  4. ^ Nascentes, Antenor (1966), Dicionário etimológico resumido, Rio de Janeiro: Instituto Nacional do Livro, p. s.v. mosteiro
  5. ^ Nascentes, Antenor (1955), Dicionário etimológico da língua portuguesa, vol. 1: Nomes comuns, Rio de Janeiro (1st ed. 1932, preface by W. Meyer-Lübke), p. 344
  6. ^ 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. moesteiro
  7. ^ Meyer-Lübke, Wilhelm (1935), Romanisches etymologisches Wörterbuch, 3rd ed., Heidelberg: Winter, p. 5656
  8. ^ García de Diego, Vicente (1985), Diccionario etimológico español e hispánico, 2nd ed., Madrid: Espasa-Calpe (1st ed. 1954), p. s.v. monasterium
  9. ^ a b c d 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, 163
  10. ^ a b Silva, António de Morais (1813), Diccionario da lingua portugueza, 2nd ed., 2 vols., Lisboa: Typographia Lacerdina, p. 2, 322
  11. ^ a b Cardoso, Jerónimo (1569–1570), Dictionarium ex lusitanico in latinum sermonem, Lisboa: João Álvares (CLP transcription, Universidade de Aveiro), p. s.v. mosteiro
  12. ^ Bluteau, Raphael (1712–1728), Vocabulario portuguez e latino, 8 vols. + 2 supplement vols., Coimbra / Lisboa (CLP transcription, Universidade de Aveiro), p. s.v. mosteiro
  13. ^ Centro de Linguística da Universidade de Lisboa, CTA – Corpus de Textos Antigos, https://teitok.clul.ul.pt/cta, p. s.v. mosteiro
  14. ^ Ferreira, Aurélio Buarque de Holanda, Novo dicionário Aurélio da língua portuguesa, digital edition, p. s.v. mosteiro
  15. ^ a b c 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. mosteiro
  16. ^ Dicionário Priberam da Língua Portuguesa, Lisboa: Priberam Informática, https://dicionario.priberam.org, p. s.v. mosteiro
  17. ^ Silva Bastos, José Timóteo da (1912), Diccionario etymologico, prosodico e orthographico da lingua portugueza, Lisboa: Parceria António Maria Pereira, p. s.v. mosteiro

Related etymologies

Cite this entry

“Mosteiro.” Etymologically, 15 Nov. 2026, etymologically.com/pt/mosteiro. Accessed 16 Nov. 2026.

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