octavus
Latin
80 | ||
← 7 | VIII 8 | 9 → |
---|---|---|
Cardinal: octō Ordinal: octāvus Adverbial: octiēs, octiēns Multiplier: octuplus, octuplex, octoplus Distributive: octōnī Fractional: octāns |
Alternative forms
- 8vus
Etymology
From Proto-Italic *oktāwos, from Proto-Indo-European *oḱtṓwos, from *oḱtṓw, whence octō (“eight”).
Pronunciation
- (Classical) IPA(key): /okˈtaː.u̯us/, [ɔkˈt̪äːu̯ʊs̠]
- (Ecclesiastical) IPA(key): /okˈta.vus/, [okˈt̪äːvus]
Numeral
octāvus (feminine octāva, neuter octāvum); first/second-declension numeral
- eighth; the ordinal number between septimus and nonus
Cardinal number: octo
Declension
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
- octāvārius
Related terms
- octal
- octave
- Octavian
- Octavianus
- October
- octogenarian
- octopus
- octuple
- octuplet
Descendants
- Asturian: octavu
- English: octave
- French: octave
- → Turkish: oktav
- 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