Etymology

parameter

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Today it means: A value kept constant during an experiment, equation, calculation, or similar, but varied over other versions of the experiment, equation, calculation, etc. Full definition →

French paramètre ← New Latin parametrum ← Ancient Greek παρα-
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The story

  1. Ancient Greek · derived fromπαρα-“beside”
  2. New Latin · derived fromparametrum“parameter”
  3. French · borrowed fromparamètre
  4. English todayparameter

From French paramètre, from New Latin parametrum (“parameter”), from Ancient Greek παρα- (para-, “beside”) + μέτρον (métron, “measure”).

Words from the same roots

Ancient Greekπαρα- all →

para-paracosmpareidolia

Etymology from Wiktionary, CC BY-SA 4.0.