quatriduum

== Latin == === Noun === quatriduum n (genitive quatriduī); second declension alternative form of quadriduum ==== Declension ==== Second-declension noun (neuter). === References === “quatriduum”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press “quatriduum”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.