LATIN DICTIONARYLexicon Latīnum
noun · femininefourth declension

īdūs

īdūs f pl (genitive īduum)
Classical[ˈiː.duːs]Ecclesiastical[ˈiː.dus]
Mille Verba core vocabulary

Meaning

  1. pluralplural onlythe 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)
    Praetermittō ruīnās fortūnārum tuārum, quās omnēs proximīs Īdibus tibi impendēre sentiēs; […].I pass over the ruin of your fortunes, all of which you will feel hanging over you on the next Ides. (In other words, Catiline’s huge debts will soon come due; ancient Romans typically paid regular monthly debts and rent on the Kalends, or first of the month, while major loans and interest were often paid on the Ides.)63 BCE, Cicero, In Catilinam orationes 1.14

Latīnē defined in Latin in our graded readers

medius diēs mēnsis: tertius decimus aut quīntus decimus.
īdūs -uum f pl — in Mille Verba, Tempus et Numerī

Declension

declension
formsingularplural
nominative—īdūs
genitive—īduum
dative—īdibus
accusative—īdūs
ablativeīdūīdibus
vocative—īdūs

Īdus (often eidus, v. Inscr. Orell. 42), ŭum, f. acc. to Macr. S. 1, 15, from the Etrusc. † iduo, to divide; hence, qs. the divided or half month; but prob. Sanscr. root, indh-, idh-, to kindle, lighten; indu, moon; prop. the days of light, of the moon,
I. one of the three days in each month from which the other days were reckoned in the Roman calendar, the Ides; it fell upon the fifteenth day of March, May, July, and October; upon the thirteenth day in the remaining months (cf.: Kalendae, Nonae): res ante idus acta sic est: nam haec idibus mane scripsi, Cic. Fam. 1, 1, 3: duas epistulas accepi postridie idus, alteram eo die datam, alteram idibus, id. Att. 15, 17, 1: haec S. C. perscribuntur a. d. VIII. idus Januarias, Caes. B. C. 1, 5, 4: omnia licet concurrant: idus Martiae consolantur, Cic. Att. 14, 4, 2; cf.: stulta jam iduum Martiarum est consolatio, id. ib. 15, 4, 2: si quid vellent, a. d. idus Apr. reverterentur, Caes. B. G. 1, 7 fin.: iduum Septembrium dies, Tac. A. 2, 32: postero iduum dierum, id. H. 1, 26.—The ides were sacred to Jupiter, Varr. ap. Macr. S. 1, 14; cf. idulis.—Interest was paid on the ides: fenerator Alphius, Jam jam futurus rusticus, Omnem redegit idibus pecuniam, Quaerit Kalendis ponere, Hor. Epod. 2, 69: diem pecuniae Idus Novembres esse, Cic. Att. 10, 5, 3: jam vel sibi habeat nummos, modo numeret Idibus, id. ib. 14, 20, 2: praetermitto ruinas fortunarum tuarum, quas omnes impendere tibi proximis Idibus senties, id. Cat. 1, 6, 14.—The payment of school-money at the ides is referred to in: (pueri) Ibant octonis referentes idibus aera, Hor. S. 1, 6, 75; v. Orell. ed h. 1.

Origins

According to Macrobius (Macr. Sat. 1, 15. § 17) from an Etruscan verb meaning to divide, which he cites with Latin flexion as īduō.

Descendants
  • Catalanidus
  • Frenchides
  • Englishidesfrom French ides
  • GermanIden
  • Italianidi
  • Portugueseidos
  • Spanishidus
  • Russianи́ды
  • Greekειδοίfrom Ancient Greek εἰδοί

Quick answers

What does īdūs mean in Latin?
īdūs, a noun, means “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)”.
What is the genitive of īdūs?
The genitive singular is īduum. īdūs is feminine, fourth declension.
How do you pronounce īdūs?
In classical Latin, [ˈiː.duːs]; in ecclesiastical (church) Latin, [ˈiː.dus].