idus

== Latin == === Alternative forms === Īdūs, Id., eidus, eid === Etymology === According to Macrobius (Macr. Sat. 1, 15. § 17) from an Etruscan verb meaning to divide, which he cites with Latin flexion as īduō. === Pronunciation === (Classical Latin) IPA(key): [ˈiː.duːs] (modern Italianate Ecclesiastical) IPA(key): [ˈiː.dus] === Noun === īdūs f pl (genitive īduum); fourth declension (plural only) The ides; in the Roman calendar the fifteenth day of March, May, July, October, and the thirteenth day of the other months. Eight days after the nones. ==== Declension ==== Fourth-declension noun, plural only. ==== Descendants ==== === References === “idus”, in Harry Thurston Peck, editor (1898), Harper’s Dictionary of Classical Antiquities, New York: Harper & Brothers “idus”, in William Smith et al., editor (1890), A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin De Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7), Leiden, Boston: Brill, →ISBN, pages 295-6 == Spanish == === Alternative forms === idos (rare) === Etymology === Borrowed from Latin īdūs. === Pronunciation === IPA(key): /ˈidus/ [ˈi.ð̞us] Rhymes: -idus Syllabification: i‧dus === Noun === idus m pl (plural only) (historical) ides === Further reading === “idus”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025