Etymology

phoneidoscope

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Today it means: An instrument for studying sound waves by optical means. It consists of a tube across whose end is stretched a film of soap solution thin enough to give coloured bands, whose form and position are affected by sound vibrations. Full definition →

Ancient Greek εἶδος
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The story

  1. Ancient Greek · derived fromεἶδος“sight”
  2. English todayphoneidoscope

From phono- + Ancient Greek εἶδος (eîdos, “sight”) + -scope.

Words from the same roots

Ancient Greekεἶδος all →

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Etymology from Wiktionary, CC BY-SA 4.0.