Etymology

overconfidence

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Today it means: An excessive or unwarranted degree of confidence. Full definition →

English confidence ← Middle English over- ← Old English ofer-
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The story

  1. Proto-Indo-European*úp
  2. Proto-Indo-European*upér
  3. Proto-Germanic*uber
  4. Old Englishofer-
  5. Middle Englishover-
  6. Englishover-
  7. Englishconfidence
  8. English todayoverconfidence

From over- + confidence.

Etymology from Wiktionary, CC BY-SA 4.0.