Etymology Explorer › English

Where does “icosahedron” come from?

icosahedron (English) comes from Ancient Greek εἰκοσάεδρον, from Ancient Greek εἴκοσι, from Proto-Hellenic ewīkəti, from Proto-Indo-European wídḱm̥ti, from Proto-Indo-European dwidḱómt, from Proto-Indo-European déḱm̥t — ten.

icosahedron (English): A polyhedron with twenty faces; A regular...

Definitions

  1. A polyhedron with twenty faces; A regular...

Ancestry of “icosahedron”, step by step

StepLanguageWordMeaning
1Ancient Greekεἰκοσάεδρον—
2Ancient Greekεἴκοσιtwenty
3Proto-Hellenicewīkəti—
4Proto-Indo-Europeanwídḱm̥titwenty
5Proto-Indo-Europeandwidḱómt—
6Proto-Indo-Europeandéḱm̥tten

Words derived from “icosahedron”

  • icosahedrite
  • truncated icosahedron
Every word from Proto-Indo-European déḱm̥t →