Latin edit

Latin numbers (edit)
 ←  7 VIII
9  → 
    Cardinal: octō
    Ordinal: octāvus
    Adverbial: octiēs, octiēns
    Multiplier: octuplus, octuplex, octoplus
    Distributive: octōnus
    Fractional: octāns

Alternative forms edit

Etymology edit

From Proto-Italic *oktāwos, from Proto-Indo-European *oḱtṓwos, from *oḱtṓw, whence octō (eight).

Pronunciation edit

Numeral edit

octāvus (feminine octāva, neuter octāvum); first/second-declension numeral

  1. eighth; the ordinal number between septimus and nōnus.

Declension edit

First/second-declension adjective.

Number Singular Plural
Case / Gender Masculine Feminine Neuter Masculine Feminine Neuter
Nominative octāvus octāva octāvum octāvī octāvae octāva
Genitive octāvī octāvae octāvī octāvōrum octāvārum octāvōrum
Dative octāvō octāvō octāvīs
Accusative octāvum octāvam octāvum octāvōs octāvās octāva
Ablative octāvō octāvā octāvō octāvīs
Vocative octāve octāva octāvum octāvī octāvae octāva

Derived terms edit

Descendants edit

References edit

  • octavus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • octavus”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • octavus in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
  • octavus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.