Etymologically

Etymology and origin of the Latin word semodius

Confidence
Established
Formation
Compound
First attested
234–149 BC, Cato
Ultimate origin
Latin (modius)
Etymology tree
inherited borrowed derived
Latin modius
Latin semodius

Pronunciation

  • Classical: [seːˈmɔ.di.ʊs][1]
  • Ecclesiastical: [seˈmɔː.di.us][1]

Forms

sēmodius m (genitive sēmodiī); second declension[1] A fuller form sēmimodius appears in the metrological writers.[2][3]

Etymology

It is from Latin sēmi- (“half”) + modius (“a dry measure, peck”),[4][1] with the prefix shortened to ⟨sē-⟩ before ⟨m⟩, as de Vaan notes sometimes happens.[5] De Vaan traces the prefix to Proto-Italic *sēmi- and Proto-Indo-European *sēm-i (“in one”), whose meaning shifted from “one” to “one of two” and then “half”.[5]

Earliest recorded meaning

Köbler records it first in Cato,[6] whose list of farm equipment includes modium praeferrātum I, sēmodium I, one iron-bound modius and one half-modius, a measuring vessel.[4]

Semantic evolution

It was the standard name for half a modius, a dry measure of grain and the like, in Varro, Columella, Pliny the Elder, Martial and Juvenal.[7][2][8] Varro used it of a quantity of pearls, sēmodius margarītārum.[2]

It lived on in Medieval Latin, also as sēmimodius:[3][9] Osbern of Gloucester defines it as half a modius, and English inventories of 1397 list a semimodius beside a bushel.[9]

Timeline

  • 234–149 BC – Cato lists a half-modius measure among farm equipment.[4][6]
  • 116–27 BC – Varro speaks of half a modius of pearls.[2]
  • 1st century AD – Columella uses it as a measure.[7]
  • 40–102/103 AD – Martial uses it.[7]
  • 1397 – An English inventory lists a semimodius beside a bushel.[9]

Meanings

Noun

  1. A Roman dry measure of half a modius, a half-peck.[4][7]
  2. A measuring vessel of this capacity.[4]

Word family

  • sēmodiālis

References

  1. ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d Georges, Karl Ernst (1913–1918), Ausführliches lateinisch-deutsches Handwörterbuch, 8th ed., ed. Heinrich Georges, Hannover; Leipzig: Hahn
  3. ^ a b Niermeyer, J. F. (1976), Mediae Latinitatis Lexicon Minus, Leiden: Brill
  4. ^ a b c d e Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  5. ^ 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
  6. ^ a b Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  7. ^ a b c d Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  8. ^ Conte, Gian Biagio; Pianezzola, Emilio; Ranucci, Giuliano (2010), il Latino: Vocabolario della lingua latina, 3rd ed., Florence: Le Monnier
  9. ^ a b c Latham, R. E., D. R. Howlett, R. K. Ashdowne, et al. (1975–2013), Dictionary of Medieval Latin from British Sources, London: British Academy / Oxford University Press
Cite this entry

“Semodius.” Etymologically, 20 Oct. 2026, etymologically.com/la/semodius. Accessed 20 Oct. 2026.

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