octavus

Latin

Latin numbers (edit)
80
 ←  7 VIII
8
9  → 
    Cardinal: octō
    Ordinal: octāvus
    Adverbial: octiēs, octiēns
    Proportional: octuplus, octōplus
    Multiplier: octuplex, octiplex
    Distributive: octōnus
    Fractional: octāns, sēscūncia, sēsquūnx, sēscūnx

Alternative forms

Etymology

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

Pronunciation

Numeral

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

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

Declension

First/second-declension adjective.

singular plural
masculine feminine neuter masculine feminine neuter
nominative octāvus octāva octāvum octāvī octāvae octāva
genitive octāvī octāvae octāvī octāvōrum octāvārum octāvōrum
dative octāvō octāvae octāvō octāvīs
accusative octāvum octāvam octāvum octāvōs octāvās octāva
ablative octāvō octāvā octāvō octāvīs
vocative octāve octāva octāvum octāvī octāvae octāva

Derived terms

Descendants

  • Asturian: octavu
  • English: octave
  • French: octave
  • Friulian: otâf
  • Galician: oitavo
  • Italian: ottavo
  • Piedmontese: otav
  • Portuguese: oitavo, oitava
  • Spanish: ochavo, ochava, octavo

References

  • 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.