Etymology

accumulator

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Today it means: One who, or that which, accumulates. Full definition →

Latin accumulātor ← Proto-Indo-European *ḱuh₁mósder.? ← Proto-Italic *ad-
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The story

  1. Proto-Indo-European*h₂éd
  2. Proto-Italic*ad
  3. Proto-Italic*ad-
  4. Latinad-
  5. Proto-Indo-European*ḱewh₁-
  6. Proto-Indo-European*ḱuh₁mósder.?
  7. Latincumulus
  8. Latincumulō
  9. Latinaccumulō
  10. Latinaccumulātor
  11. English todayaccumulator

From Latin accumulātor, agent noun of accumulō (“pile up”), accumulate + -or.

Etymology from Wiktionary, CC BY-SA 4.0.