80 | ||
← 7 | VIII 8 |
9 → |
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Cardinal: octō Ordinal: octāvus Adverbial: octiēs, octiēns Proportional: octuplus Multiplier: octuplex Distributive: octōnus Fractional: octāns |
From Proto-Italic *oktāwos, from Proto-Indo-European *oḱtṓwos, from *oḱtṓw, whence octō (“eight”).
octāvus (feminine octāva, neuter octāvum); first/second-declension numeral
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 |