Etymology

ides

I1D2E1S1

Today it means: The notional full-moon day of a Roman month, occurring on the 15th day of the four original 31-day months (March, May, Quintilis or July, and October) and on the 13th day of all other months. Full definition →

Middle English ides ← Old French ides ← Latin īdūs
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ides · noun1

  1. Latin · derived fromīdūs
  2. Old French · derived fromides
  3. Middle English · inherited fromides
  4. English todayides

From Middle English ides, idus, from Anglo-Norman and Old French ides, from Latin īdūs, a fourth-declension plurale tantum, from the Latin practice of treating most recurring calendrical days as plurals. The Latin term is cognate with Oscan eiduis, both perhaps deriving from an unknown Etruscan term. Middle English and Old French also used the singular form ide.

ides · noun2

See ide.

Words from the same roots

Latinīdūs all →

Etymology from Wiktionary, CC BY-SA 4.0.