Etymology of the Latin word annus

Derivations in Latin

quadriennium, triennium, annalis, annata, annuus, annona, annosus, annotinus, annuarius, anniversarius, biennis, biennium, centennis, decennis, decennium, duodecennis, duodecennium, novennis, novennium, quinquennis, sedecennis, sexennis, sexennium, septennis, septennium, triennalis, triennis, perennis, annulus, vicennalis, millennium

Derivations in other languages

French an, French centennal, Italian anno, Italian circannuale, Portuguese ano, Romanian an, Spanish año, Spanish cientanal