Etymology

circumdiameter

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Today it means: A number representing the diameter of a circumscribed circle or other sphere. Full definition →

English diameter ← Latin circum- ← Ancient Greek κίρκος (kírkos)
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The story

  1. Ancient Greekκίρκος (kírkos)
  2. Latincircus
  3. Latincircum
  4. Latincircum-
  5. Englishcircum-
  6. Englishdiameter
  7. English todaycircumdiameter

From circum- + diameter.

Etymology from Wiktionary, CC BY-SA 4.0.