tetraeteris

== English == === Alternative forms === tetraeterid === Etymology === From Late Latin tetraeteris, from Ancient Greek τετραετηρίς (tetraetērís), from τετρα- (tetra-, “four”) + ἔτος (étos, “year”). === Pronunciation === (General American) IPA(key): /ˌtɛtrəˈɛdərəs/ (Received Pronunciation) IPA(key): /ˌtɛtrəˈɛtərɪs/ === Noun === tetraeteris (plural tetraeterides) Synonym of quadrennium: A four-year period, particularly (historical) those used in ancient Egyptian and Greek astronomical calculations. ==== Related terms ==== octaeteris ==== Translations ==== === References === “tetra-, comb. form”, in OED Online ⁠, Oxford: Oxford University Press, 2022.