Etymology

immutability

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Today it means: The state or quality of being immutable; immutableness. Full definition →

Middle French immutabilité ← Latin immūtābilitās
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The story

  1. Latin · derived fromimmūtābilitās
  2. Middle French · borrowed fromimmutabilité
  3. English todayimmutability

Borrowed from Middle French immutabilité, itself borrowed from Latin immūtābilitās. By surface analysis, immutable + -ity.

Etymology from Wiktionary, CC BY-SA 4.0.