biennium

== English == === Etymology === From Latin biennium, from biennis (“2-year”) + -ium (suffix forming abstract nouns), from bi- (“two”) + annus (“year”), q.v. === Pronunciation === (General American) IPA(key): /baɪˈɛn.i.əm/ (Received Pronunciation) IPA(key): /bʌɪˈɛn.ɪ.əm/ Hyphenation: bi‧enn‧i‧um === Noun === biennium (plural bienniums or biennia) A period of two years, particularly for purposes involving intercalation or fiscal calculations. Coordinate terms: annum, triennium, quadrennium, quinquennium, sexennium, septennium, octennium, novennium, decennium, vicennium, tricennium, centennium, quincentennium, millennium, decamillennium, centimillennium, millionennium ==== Derived terms ==== biennial biennially ==== Translations ==== === References === “biennium, n.”, in OED Online ⁠, Oxford: Oxford University Press, 2022. == Latin == === Pronunciation === (Classical Latin) IPA(key): [biˈɛn.ni.ũː] (modern Italianate Ecclesiastical) IPA(key): [biˈɛn.ni.um] === Etymology 1 === Synchronically, from biennis +‎ -ium (suffix forming abstract nouns). ==== Noun ==== biennium n (genitive bienniī or biennī); second declension a period of two years, biennium ===== Declension ===== Second-declension noun (neuter). 1Found in older Latin (until the Augustan Age). ===== Coordinate terms ===== ===== Descendants ===== → Catalan: bienni → English: biennium → Italian: biennio → Romanian: bieniu → Spanish: bienio === Etymology 2 === See the etymology of the corresponding lemma form. ==== Adjective ==== biennium genitive masculine/feminine/neuter plural of biennis === References === “biennium”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press “biennium”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers "biennium", in Charles du Fresne du Cange, Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887) “biennium”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.