Etymologically

Etymology and origin of the Portuguese word moio

Confidence
Established
Formation
Inherited
First attested
1255 More words from the 13th century
Inherited from
Latin modius
Ultimate origin
Proto-Indo-European *med-
Etymology tree
inherited borrowed derived
Latin modus
French mode
English mode
Italian moda
Romanian modă
Portuguese moda
Spanish moda
Italian modo
Portuguese modo
Romanian mod
Spanish modo
Latin modius
French muid
Italian moggio
Portuguese moio
Spanish moyo
From the same root
Latin commodus ← modus
Latin huiuscemodi ← modus
Latin modālis ← modus
Latin modicus ← modus
Latin modificō ← modus
Latin modō̆ ← modus
Latin modulus ← modus
Latin multimodīs ← modus
Latin omnimodīs ← modus
Latin propemodum ← modus
Latin quodammodo ← modus
Latin quōmodo ← modus
Romanian modifica ← modus
English mood ← mode
Latin modiolus ← modius
Latin sēmodius ← modius

Pronunciation

  • Brazil: /ˈmoj.u/, [ˈmoɪ̯.u][1]
  • Portugal: /ˈmoj.u/[1]

Forms

moio m (plural moios)[1] The medieval texts write moyo, plural moyos, and Houaiss also records mojos in 1392.[2][3] The spelling moyo heads the word in Cardoso (1569) and Pereira (1697), while Morais (1789) refers moyo to moio.[4][5][6]

Etymology

It is inherited from Latin modius (“a dry measure, peck”), written Old Galician-Portuguese moyo in the oldest texts.[3][7][8][1] The DDGM's glossary of the Crónica Geral gives the same etymon and follows the word back to Latin charters of the 11th century.[2]

The same Latin word is Galician moio, Spanish moyo, Italian moggio and French muid.[9][1][10] García de Diego records moyo as an old Castilian word and treats modio as a learned form.[11]

In Latin the noun was formed modus (“measure”) with the suffix -ius.[1][12] De Vaan traces the Latin noun to Proto-Italic *medo- and to a Proto-Indo-European noun *med-o- (“measure”), from the root *med-.[13]

Earliest recorded meaning

Latin charters already use the Romance form: one of 1080 has per suos moios “by their moios” and one of 1115 a price of ten moios.[2] Houaiss dates the Portuguese noun to 1255 from Cunha's slips of the medieval vocabulary.[3] The vernacular records of the 13th century use it for grain and salt: e XXX moyos de pan meyado “and thirty moios of mixed bread-corn” in 1268, and oyto moyos de sal “eight moios of salt” in 1296.[2]

Semantic evolution

In the Middle Ages the moio was a measure of grain, wine and salt, and in the Crónica Troiana a measure of liquids, used hyperbolically for mill moyos de sange “a thousand moios of blood”.[2] Its size varied by province; the dictionaries settled on sixty alqueires, about 828 litres in Lisbon.[14][15][16] Priberam glosses it as what a millstone can grind in one day.[17] It was also a measure of land.[18]

From the measure of sixty alqueires the word came to mean “a set of sixty” in the sale of goods (fruit, melons), and then any sixty things, even years.[16][3] The DLP labels this use regional, and Wiktionary colloquial.[19][1] In Galicia moio is a wine measure of eight olas, a count of 120 roof tiles and a measure of twelve ferrados of grain.[20] Galician notarial books of the 15th century already count tiles by the moyo.[2]

Timeline

  • 1080 – a Latin charter writes per suos moios.[2]
  • 1255 – Houaiss's first date for the Portuguese word.[3]
  • 1268 – e XXX moyos de pan meyado in a Portuguese document.[2]
  • 1296 – oyto moyos de sal.[2]
  • 1392 – the plurals mojos and moyos.[3]
  • 1448 – Galician records count roof tiles in moyos.[2]
  • 1541 – the plural moyos in a private letter.[21]
  • 1569 – Cardoso renders Moyo by Latin modius magnus “great modius”.[4]
  • 1734 – Feijó defines the moyo as sixty alqueires.[14]
  • 1789 – Morais refers moyo to the spelling moio.[6]
  • 1871–1874 – Vieira notes that the measure varied by province.[15]

Meanings

Noun

  1. (historical) An old unit of dry capacity, equal to sixty alqueires, used for grain and salt.[3][22][1]
  2. (regional) A set of sixty things of the same kind, in the sale of goods.[3][19]
  3. (regional) Sixty years of age.[3][16]
  4. (Estremadura) moio de sacas: ten empty sacks.[3]

Usage notes

Houaiss and Wikcionário also record a separate Angolan interjection moio “good morning; goodbye”, a 20th-century borrowing from Lunda-Chokwe.[3][23] Wikcionário traces the Chokwe word to a Proto-Bantu noun for “life, spirit, heart”.[23]

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 g h i j 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. moyo
  3. ^ a b c d e f g h i j k Houaiss, Antônio; Villar, Mauro de Salles (2001), Dicionário Houaiss da língua portuguesa, Rio de Janeiro: Objetiva, p. s.v. moio
  4. ^ a b Cardoso, Jerónimo (1569–1570), Dictionarium ex lusitanico in latinum sermonem, Lisboa: João Álvares (CLP transcription, Universidade de Aveiro), p. s.v. moyo
  5. ^ 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. moyo
  6. ^ 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, 102
  7. ^ Cunha, Antônio Geraldo da (2010), Dicionário etimológico da língua portuguesa, 4th ed., Rio de Janeiro: Lexikon, p. s.v. moio
  8. ^ Nascentes, Antenor (1966), Dicionário etimológico resumido, Rio de Janeiro: Instituto Nacional do Livro, p. s.v. moio
  9. ^ Nascentes, Antenor (1955), Dicionário etimológico da língua portuguesa, vol. 1: Nomes comuns, Rio de Janeiro (1st ed. 1932, preface by W. Meyer-Lübke), p. 338
  10. ^ 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. moyo
  11. ^ García de Diego, Vicente (1985), Diccionario etimológico español e hispánico, 2nd ed., Madrid: Espasa-Calpe (1st ed. 1954), p. s.v. modius
  12. ^ Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press, p. s.v. modius
  13. ^ de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
  14. ^ 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. moyo
  15. ^ a b Vieira, Frei Domingos (1871–1874), Grande Diccionario Portuguez ou Thesouro da lingua portugueza, 5 vols., Porto: Ernesto Chardron e Bartholomeu H. de Moraes, p. 4, 291
  16. ^ a b c 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. moio
  17. ^ Dicionário Priberam da Língua Portuguesa, Lisboa: Priberam Informática, https://dicionario.priberam.org, p. s.v. moio
  18. ^ 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. moio
  19. ^ a b 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. moio
  20. ^ Estraviz, Isaac Alonso, Dicionário Estraviz, https://estraviz.org, p. s.v. moio
  21. ^ CLUL (ed.) (2014), P.S. Post Scriptum: Arquivo Digital de Escrita Quotidiana em Portugal e Espanha na Época Moderna, Lisboa: Centro de Linguística da Universidade de Lisboa, http://ps.clul.ul.pt, p. s.v. moio
  22. ^ 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. moio
  23. ^ a b Wikcionário (Portuguese Wiktionary), pt.wiktionary.org

Related etymologies

Cite this entry

“Moio.” Etymologically, 15 Nov. 2026, etymologically.com/pt/moio. Accessed 16 Nov. 2026.

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