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