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Alternative forms[edit]


From Latin congius, from Proto-Indo-European *ḱon-. Cognates conch, Ancient Greek κόγχος (kónkhos) and Sanskrit शङ्ख (śaṅkhá), both meaning seashells or a small volume of water, such as might fill one.


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congius (plural congii)

  1. (historical units of measure) An ancient Roman unit of volume in liquid measure consisting of six sextarii or one-eighth amphora (about 7 fluid ounces).
  2. (historical units of measure) An ancient Roman unit of weight under Vespasian equal to the weight of a congius of water.

Related terms[edit]



From Proto-Indo-European *ḱon-. Cognates include Ancient Greek κόγχος (kónkhos) and Sanskrit शङ्ख (śaṅkhá).



congius m (genitive congii); second declension

  1. (historical units of measure) congius, a unit of volume and weight.


Second declension.

Case Singular Plural
nominative congius congiī
genitive congiī congiōrum
dative congiō congiīs
accusative congium congiōs
ablative congiō congiīs
vocative congie congiī



  • congius in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • congius in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • du Cange, Charles (1883), “congius”, in G. A. Louis Henschel, Pierre Carpentier, Léopold Favre, editors, Glossarium Mediæ et Infimæ Latinitatis (in Latin), Niort: L. Favre
  • congius” in Félix Gaffiot’s Dictionnaire Illustré Latin-Français, Hachette (1934)
  • congius in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
  • congius in William Smith et al., editor (1890) A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin