Inherited from Vulgar Latin ācrus, from Latin ācer (with a change in declension), from Proto-Italic *akris, from Proto-Indo-European *h₂eḱrós (“sharp”).
acru m or n (feminine singular acră, masculine plural acri, feminine and neuter plural acre)
singular | plural | |||||||
---|---|---|---|---|---|---|---|---|
masculine | neuter | feminine | masculine | neuter | feminine | |||
nominative- accusative |
indefinite | acru | acră | acri | acre | |||
definite | acrul | acra | acrii | acrele | ||||
genitive- dative |
indefinite | acru | acre | acri | acre | |||
definite | acrului | acrei | acrilor | acrelor |