Etymology

overdispersion

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Today it means: The presence of greater dispersion in a data set than would be expected according to the statistical model in use. Full definition →

English dispersion ← 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. Englishdispersion
  8. English todayoverdispersion

From over- + dispersion.

Etymology from Wiktionary, CC BY-SA 4.0.