Etymology

acuity

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Today it means: Sharpness or acuteness, as of a needle, wit, etc. Full definition →

Middle English acuite ← Middle French acuité ← Medieval Latin acuitas
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The story

  1. Latin · derived fromacuō“sharpen”
  2. Medieval Latin · derived fromacuitas
  3. Middle French · derived fromacuité
  4. Middle English · inherited fromacuite
  5. English todayacuity

From Middle English acuite, acuyte, from Middle French acuité, from Medieval Latin acuitas, irreg., from Latin acuō (“sharpen”).

Etymology from Wiktionary, CC BY-SA 4.0.