Etymology

coplanarity

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Today it means: The state or characteristic of being within the same plane. Full definition →

English coplanar ← Latin co- ← Proto-Italic *kom-
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The story

  1. Proto-Indo-European*ḱe?
  2. Proto-Indo-European*ḱóm
  3. Proto-Italic*kom
  4. Proto-Italic*kom-
  5. Latincon-
  6. Latinco-
  7. Englishco-
  8. Englishplanar
  9. Englishcoplanar
  10. English todaycoplanarity

From coplanar + -ity.

Etymology from Wiktionary, CC BY-SA 4.0.