Etymology

biconical

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Today it means: consisting of two cones placed together apex to apex Full definition →

English conical ← Proto-Indo-European *h₂élisder.? ← Ancient Greek κωνῐκός (kōnĭkós)
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The story

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*dwi-
  3. Proto-Italic*dwi-
  4. Latinbi-
  5. Englishbi-
  6. Proto-Indo-European*ḱeh₃-
  7. Proto-Indo-European*ḱóh₃nos
  8. Ancient Greekκῶνος (kônos)
  9. Ancient Greekκωνῐκός (kōnĭkós)
  10. Englishconic
  11. Proto-Indo-European*h₂el-
  12. Proto-Indo-European*h₂élisder.?
  13. Englishconical
  14. English todaybiconical

From bi- + conical.

Etymology from Wiktionary, CC BY-SA 4.0.