Etymology

ellipsograph

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Today it means: A mechanical instrument used to trace out an ellipse. Full definition →

Ancient Greek γράφω (gráphō) ← Proto-Hellenic *grə́pʰō ← Proto-Indo-European *gerbʰ-
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The story

  1. Englishellipse
  2. Proto-Indo-European*gerbʰ-
  3. Proto-Hellenic*grə́pʰō
  4. Ancient Greekγράφω (gráphō)
  5. English todayellipsograph

From ellipse + -o- + -graph.

Etymology from Wiktionary, CC BY-SA 4.0.