Etymology

impetuous

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Today it means: Making arbitrary decisions, especially in an impulsive and forceful manner. Full definition →

Middle English impetuous ← Old French impetueux ← Late Latin impetuōsus
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The story

  1. Latin · derived fromimpetus“attack, violence”
  2. Late Latin · derived fromimpetuōsus“violent”
  3. Old French · derived fromimpetueux
  4. Middle English · inherited fromimpetuous
  5. English todayimpetuous

From Middle English impetuous, from Old French impetueux, from Late Latin impetuōsus (“violent”), from Latin impetus (“attack, violence”).

Words from the same roots

Latinimpetus all →

impetus

Etymology from Wiktionary, CC BY-SA 4.0.