Etymology

incertain

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Today it means: Not certain, uncertain. Full definition →

Middle English incertayne ← Middle French incertain ← Latin incertus
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The story

  1. Latin · derived fromincertus“uncertain”
  2. Middle French · derived fromincertain
  3. Middle English · inherited fromincertayne
  4. English todayincertain

From Middle English incertayne, borrowed from Middle French incertain, derived in the 14th c. from certain, after Latin incertus (“uncertain”). By surface analysis, in- + certain.

Etymology from Wiktionary, CC BY-SA 4.0.