Latin

Noun

quādriennium n ‎(genitive quādrienniī); second declension

1. period of four years

Inflection

Second declension.

References

• quadriennium in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• quadriennium in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• Félix Gaffiot (1934), “quadriennium”, in Dictionnaire Illustré Latin-Français, Paris: Hachette.