From Ancient Greek ἀριθμητικός (arithmētikós, “arithmetical”), from ἀριθμός (arithmós, “number, counting”), from Proto-Indo-European *h₂ri-dʰh₁-mó-s, form of *h₂rey- (“to count, reason”).
arithmēticus (feminine arithmētica, neuter arithmēticum); first/second-declension adjective
First/second-declension adjective.
singular | plural | ||||||
---|---|---|---|---|---|---|---|
masculine | feminine | neuter | masculine | feminine | neuter | ||
nominative | arithmēticus | arithmētica | arithmēticum | arithmēticī | arithmēticae | arithmētica | |
genitive | arithmēticī | arithmēticae | arithmēticī | arithmēticōrum | arithmēticārum | arithmēticōrum | |
dative | arithmēticō | arithmēticae | arithmēticō | arithmēticīs | |||
accusative | arithmēticum | arithmēticam | arithmēticum | arithmēticōs | arithmēticās | arithmētica | |
ablative | arithmēticō | arithmēticā | arithmēticō | arithmēticīs | |||
vocative | arithmētice | arithmētica | arithmēticum | arithmēticī | arithmēticae | arithmētica |