octennium

== English == === Etymology === From Late Latin octennium, from octennis (“8-year”) + -ium (suffix forming abstract nouns). === Noun === octennium (plural octenniums or octennia) (rare) An eight-year period. Coordinate terms: annum, biennium, triennium, quadrennium, quinquennium, sexennium, septennium, novennium, decennium, centennium, vicennium, tricennium, quincentennium, millennium, decamillennium, centimillennium, millionennium ==== Synonyms ==== octaeteris, octennial ==== Hypernyms ==== See octet ==== Related terms ==== (adj.): octennial, octaeteric === References === “octennial, adj.”, in OED Online ⁠, Oxford: Oxford University Press, 2022. === Anagrams === emunction == Latin == === Pronunciation === (Classical Latin) IPA(key): [ɔkˈtɛn.ni.ũː] (modern Italianate Ecclesiastical) IPA(key): [okˈtɛn.ni.um] === Etymology 1 === From octennis +‎ -ium (suffix forming abstract nouns). ==== Noun ==== octennium n (genitive octenniī); second declension (Late Latin) a period of eight years, novennium ===== Declension ===== Second-declension noun (neuter). ===== Coordinate terms ===== ===== Descendants ===== → English: octennium === Etymology 2 === See the etymology of the corresponding lemma form. ==== Adjective ==== octennium genitive masculine/feminine/neuter plural of octennis === Further reading === “octennium”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press “octennium”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.