Etymology

approximation

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Today it means: The act, process or result of approximating, as Full definition →

English approximate ← Middle English approximat ← Latin approximātus
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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*prokʷe
  6. Proto-Indo-European*prokʷism̥mos
  7. Latinproximus
  8. Latinproximō
  9. Latinapproximō
  10. Latinapproximātus
  11. Middle Englishapproximat
  12. Englishapproximate
  13. English todayapproximation

From approximate + -ion.

Etymology from Wiktionary, CC BY-SA 4.0.