Etymology

dodecadodecahedron

Today it means: A nonconvex polyhedron with twenty-four faces, thirty vertices, and sixty edges. Full definition →

English dodecahedron ← Ancient Greek δώδεκᾰ (dṓdekă) ← Proto-Indo-European *dwoΗdeḱm̥
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The story

  1. Proto-Indo-European*dwoΗdeḱm̥
  2. Ancient Greekδώδεκᾰ (dṓdekă)
  3. Englishdodeca-
  4. Englishdodecahedron
  5. English todaydodecadodecahedron

From dodeca- + dodecahedron.

Etymology from Wiktionary, CC BY-SA 4.0.