tertius

== Latin == === Alternative forms === tercius === Etymology === From Proto-Italic *tritios, from Proto-Indo-European *tr̥tyós ~ *tritós, ordinal form of *tréyes. Akin to Ancient Greek τρίτος (trítos), Proto-Germanic *þridjô and Proto-Slavic *tretь. === Pronunciation === (Classical Latin) IPA(key): [ˈtɛr.ti.ʊs] (modern Italianate Ecclesiastical) IPA(key): [ˈtɛr.t͡si.us] === Numeral === tertius (feminine tertia, neuter tertium); first/second-declension numeral third For quotations using this term, see Citations:tertius. ==== Usage notes ==== In a poetic sense it is used for the Roman "Third World", that is the "Underworld", of Pluto ==== Declension ==== First/second-declension adjective. ==== Derived terms ==== ==== Descendants ==== === References === “tertius”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press “tertius”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers "tertius", 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) “tertius”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette. Carl Meißner; Henry William Auden (1894), Latin Phrase-Book‎[1], London: Macmillan and Co. tertius in *The Dictionary of Medieval Latin from British Sources* ed. R. E. Latham, D. R. Howlett, & R. K. Ashdowne (London: British Academy, 1975-2013)