Etymology

irregularity

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Today it means: An instance of being irregular. Full definition →

Middle French irrégularité ← Medieval Latin irregularitas
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The story

  1. Medieval Latin · derived fromirregularitas
  2. Middle French · borrowed fromirrégularité
  3. English todayirregularity

From Middle French irrégularité, from Medieval Latin irregularitas. Morphologically irregular + -ity.

Etymology from Wiktionary, CC BY-SA 4.0.