From Proto-Italic *-iðos, from Proto-Indo-European *-dʰh₁-os, a thematized formation from *dʰeh₁- (“to put, place”), originally attached to i-stems.[1]
-idus (feminine -ida, neuter -idum); first/second-declension suffix
First/second-declension adjective.
singular | plural | ||||||
---|---|---|---|---|---|---|---|
masculine | feminine | neuter | masculine | feminine | neuter | ||
nominative | -idus | -ida | -idum | -idī | -idae | -ida | |
genitive | -idī | -idae | -idī | -idōrum | -idārum | -idōrum | |
dative | -idō | -idae | -idō | -idīs | |||
accusative | -idum | -idam | -idum | -idōs | -idās | -ida | |
ablative | -idō | -idā | -idō | -idīs | |||
vocative | -ide | -ida | -idum | -idī | -idae | -ida |