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Definition 2024

octavus

octavus

Latin

**Latin ordinal numbers**
< 7th	8th	9th >
Cardinal : octo Ordinal : octāvus Adverbial : octiēs Distributive : octōnī

Numeral

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

(ordinal) eighth; the ordinal number between septimus and nonus

Cardinal number: octo

Inflection

First/second declension.

Case / Gender	Masculine	Feminine	Neuter		Masculine	Feminine	Neuter
Number	Singular				Plural
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

octāvārius

Related terms

Descendants

English: octave
French: octave
Italian: ottavo
Portuguese: oitavo
Spanish: ochavo, 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, 1883–1887)
Félix Gaffiot (1934), “octavus”, in Dictionnaire Illustré Latin-Français, Paris: Hachette.