Etymology

treatable

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Today it means: Able to be treated; not incurable. Full definition →

Middle English tretable ← Old French traitable ← Anglo-Norman tretable
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The story

  1. Anglo-Norman · derived fromtretable
  2. Old French · derived fromtraitable
  3. Middle English · inherited fromtretable
  4. English todaytreatable

From Middle English tretable, from treten (“treat”) and Old French traitable, Anglo-Norman tretable; equivalent to treat + -able.

Etymology from Wiktionary, CC BY-SA 4.0.