Where does “pentahedron” come from?

pentahedron (English) comes from English -hedron, from Ancient Greek ἕδρα, from Proto-Hellenic *hédrā.

pentahedron (English): A solid geometric figure with five faces

Definitions

  1. A solid geometric figure with five faces

Ancestry of “pentahedron”, step by step

StepLanguageWordMeaning
1English-hedron"Forms the names of solid figures bounded by a...
2Ancient Greekἕδραseat, chair, stool, bench; the act of sitting;...
3Proto-Hellenic*hédrā—
Every word from Proto-Hellenic *hédrā →Every word from Ancient Greek ἕδρα →Every word from English -hedron →