Etymology

refraction

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Today it means: The turning or bending of any wave, such as a light or sound wave, when it passes from one medium into another of different optical density. Full definition →

Latin refrāctiō ← Proto-Indo-European *bʰreg- ← Proto-Italic *wre-
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The story

  1. Proto-Italic*wre-
  2. Latinre-
  3. Proto-Indo-European*bʰreg-
  4. Latinfrangō
  5. Latinrefringō
  6. Latinrefrāctiō
  7. English todayrefraction

Borrowed from Latin refrāctiō.

Etymology from Wiktionary, CC BY-SA 4.0.