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See also: Equus


Alternative forms[edit]

  • equos (until the middle of the first century B.C.)
  • ecus (the regular development, later remodeled to equus on the analogy of the stem equ- as remained, e.g., in the genitive equi)


From Proto-Italic *ekwos, from Proto-Indo-European *h₁éḱwos (horse). Cognates include Ancient Greek ἵππος (híppos), Sanskrit अश्व (áśva), Persian اسب (æsb), Old Armenian էշ (ēš, donkey), Tocharian B yakwe, Gaulish epos.


equus (a horse)


equus m (genitive equī); second declension

  1. a horse
    • 29 BCE – 19 BCE, Virgil, Aeneid II.48
      equo ne credite, Teucri! Quidquid id est, timeo Danaos et dona ferentes.
      Do not trust the horse, Trojans! Whatever it is, I fear the Danaans even if they are bearing gifts.
  2. a steed, charger


Second declension.

Case Singular Plural
nominative equus equī
genitive equī equōrum
dative equō equīs
accusative equum equōs
ablative equō equīs
vocative eque equī



  • iumenta (when used to pull carts); armenta (when used to pull plows)

Derived terms[edit]

Related terms[edit]



  • equus in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • equus in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • du Cange, Charles (1883), “equus”, in G. A. Louis Henschel, Pierre Carpentier, Léopold Favre, editors, Glossarium Mediæ et Infimæ Latinitatis (in Latin), Niort: L. Favre
  • equus” in Félix Gaffiot’s Dictionnaire Illustré Latin-Français, Hachette (1934)
  • Carl Meissner; Henry William Auden (1894) Latin Phrase-Book[1], London: Macmillan and Co.
    • to begin a journey (on foot, on horseback, by land): iter ingredi (pedibus, equo, terra)
    • to ride: equo vehi
    • to saddle a horse: sternere equum
    • to mount: conscendere equum
    • to mount: ascendere in equum
    • to dismount: descendere ex equo
    • to be on horseback: in equo sedere; equo insidēre
    • to sit a horse well; to have a good seat: (in) equo haerere
    • to put spurs to a horse: calcaria subdere equo
    • to put spurs to a horse: calcaribus equum concitare
    • at full gallop: equo citato or admisso
    • ride against any one at full speed; charge a person: equum in aliquem concitare
    • to give a horse the reins: admittere, permittere equum
    • to give a horse the reins: frenos dare equo
    • to make a horse prance: agitare equum
    • to manage a horse: moderari equum
    • the horses are panic-stricken, run away: equi consternantur
    • to bring horses to the halt when at full gallop: equos incitatos sustinere
    • to keep horses, dogs: alere equos, canes
    • to serve in the cavalry, infantry: equo, pedibus merere (Liv. 27. 11)
    • to capture horses: capere equos
    • to fight on horseback: ex equo pugnare