Where does “quadriennium” come from?
quadriennium (Latin) comes from Latin quadriennis, from Latin annus, from Proto-Italic atnos, from Proto-Indo-European h₂et-no-, from Proto-Indo-European h₂et- — grass.
quadriennium (Latin): period of four years
Ancestry of “quadriennium”, step by step
Words derived from “quadriennium”