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See also: octo-





  1. eight


Latin numbers (edit)
80[a], [b]
 ←  7 VIII
9  → 
    Cardinal: octō
    Ordinal: octāvus
    Adverbial: octiēs, octiēns
    Multiplier: octuplus, octuplex, octoplus
    Distributive: octōnī
    Fractional: octāns
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Alternative forms[edit]

  • Symbol: VIII


From Proto-Italic *oktō, from Proto-Indo-European *oḱtṓw.

Cognates include Sanskrit अष्ट (aṣṭa), Ancient Greek ὀκτώ (oktṓ), Gothic 𐌰𐌷𐍄𐌰𐌿 (ahtau) and Old English eahta (English eight). Rubenbauer/Hofmann argue the form seems to stem from a PIE dual ("two times four fingertips" in a base-4 system).



octō (indeclinable)

  1. eight; 8
    • 70 BCE – 19 BCE, Virgil, Georgicon 1.171:
      huic a stirpe pedes temo protentus in octo,
      binae aures, duplici aptantur dentalia dorso.
      then nigh the root / A pole eight feet projecting, earth-boards twain, / And share-beam with its double back they fix
    • c. 370 CE, Eutropius, Breviarium historiae romanae 2.2:
      T. etiam Quintius Cincinnatus Praenestinos, qui usque ad urbis Romae portas cum bello venerant, persecutus ad flumen Alliam vicit, octo civitates, quae sub ipsis agebant, Romanis adiunxit, ipsum Praeneste adgressus in deditionem accepit.
      Titus Quintius Cincinnatus, also, having pursued the Praenestini, who had advanced in a hostile manner to the very gates of Rome, defeated them on the river Allia, annexing eight cities that were under their dominion to the Roman empire; and, attacking Praeneste itself, forced it to surrender.
    • 405 CE, Jerome, Vulgate Regum II.22.1:
      octo annorum erat Iosias cum regnare coepisset et triginta uno anno regnavit in Hierusalem
      Josiah was eight years old when he began to reign, and he reigned thirty and one years in Jerusalem.

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See also[edit]


  • octo”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • octo”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • octo in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette
  • Rubenbauer, H., Hofmann, J. B., Heine, R. "Lateinische Grammatik", p.26.