vicennium

== English == === Etymology === From Latin vicennium, from vīcennis (“20-year”) + -ium, from vīciēs (“20 times”) + annus (“year”) + -is (suffix forming compound adjectives). Equivalent to vicennial +‎ -ium. === Noun === vicennium (plural vicennia or vicenniums) (rare) A period of twenty years. ==== Derived terms ==== ==== Related terms ==== k'atun ==== Related terms ==== annum (1 year), biennium (2), triennium (3), quadrennium (4), quinquennium (5), sexennium (6), septennium (7), octennium (8), novennium (9), decennium (10), tricennium (30), centennium (100), quincentennium (500), millennium (1000), decamillennium (10,000), centimillennium (100,000), millionennium (1,000,000) == Latin == === Pronunciation === (Classical Latin) IPA(key): [wiːˈkɛn.ni.ũː] (modern Italianate Ecclesiastical) IPA(key): [viˈt͡ʃɛn.ni.um] === Etymology 1 === From vīcennis + -ium (forming abstract nouns). ==== Noun ==== vīcennium n (genitive vīcenniī); second declension (post-classical) vicennium, a twenty-year period ===== Declension ===== Second-declension noun (neuter). ===== Coordinate terms ===== ===== Descendants ===== English: vicennium Italian: vicennio === Etymology 2 === ==== Adjective ==== vīcennium genitive masculine/feminine/neuter plural of vīcennis === References === “vicennium”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press “vicennium”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.