80 | ||
← 7 | VIII 8 |
9 → |
---|---|---|
Cardinal: octō Ordinal: octāvus Adverbial: octiēs, octiēns Proportional: octuplus, octoplus Multiplier: octuplex, octiplex Distributive: octōnus Fractional: octāns, sēscūncia, sēsquūnx, sēscūnx |
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.
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 |