Etymology

misunderestimation

Today it means: An inaccurate underestimation, or an act of misunderestimating; misestimation of the low-side error type. Full definition →

English underestimation ← Middle English mys- ← Old English mis-
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The story

  1. Proto-Indo-European*mey-?
  2. Proto-Indo-European*meyth₂-
  3. Proto-Germanic*missaz
  4. Proto-Germanic*missa-
  5. Proto-West Germanic*missa-
  6. Old Englishmis-
  7. Middle Englishmys-
  8. Englishmis-
  9. Englishunderestimation
  10. English todaymisunderestimation

From mis- + underestimation.

Etymology from Wiktionary, CC BY-SA 4.0.