Italian

Adjective

ardua

1. feminine singular of arduo

Latin

Adjective

ardua

1. nominative feminine singular of arduus
2. nominative neuter plural of arduus
3. accusative neuter plural of arduus
4. vocative feminine singular of arduus
5. vocative neuter plural of arduus

arduā

1. ablative feminine singular of arduus

Spanish

Adjective

ardua f

1. feminine singular of arduo