novennium

== English == === Etymology === From Late Latin novennium, from novennis (“9-year”) + -ium (suffix forming abstract nouns). === Noun === novennium (plural novennia) (rare) A nine-year period. Coordinate terms: annum, biennium, triennium, quadrennium, quinquennium, sexennium, septennium, octennium, decennium, vicennium, tricennium, centennium, quincentennium, millennium, decamillennium, centimillennium, millionennium ==== Hypernyms ==== See ennead ==== Related terms ==== (adj.): novennial, enneaeteric, enneatic === References === “novennial, adj.”, in OED Online ⁠, Oxford: Oxford University Press, 2022. == Latin == === Etymology 1 === From novennis +‎ -ium (suffix forming abstract nouns). ==== Noun ==== novennium n (genitive novenniī or novennī); second declension (Medieval Latin) a period of nine years, novennium ===== Declension ===== Second-declension noun (neuter). 1Found in older Latin (until the Augustan Age). ===== Coordinate terms ===== ===== Descendants ===== English: novennium === Etymology 2 === See the etymology of the corresponding lemma form. ==== Adjective ==== novennium genitive masculine/feminine/neuter plural of novennis