vicennium

Etymology From Latin vicennium, from vīcennis (“20-year”) + -ium, from vīciēs (“20 times”) + annus (“year”) + -is (suffix forming compound adjectives). Equivalent to vicennial + -ium.

Derived terms

vicennial

Related terms

vicennalia, k'atun, annum (1 year), biennium, triennium, quadrennium, quinquennium, sexennium, septennium, octennium, novennium, decennium, tricennium, centennium (100), quincentennium (500), millennium (1000), decamillennium (10,000), centimillennium (100,000), millionennium (1,000,000)