Where does “rhombohedra” come from?
rhombohedra (English) comes from English rhombohedron, from English -hedron, from Ancient Greek ἕδρα, from Proto-Hellenic *hédrā.
rhombohedra (English): plural of rhombohedron
Ancestry of “rhombohedra”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | English | rhombohedron | A prism with six faces, each a rhombus |
| 2 | English | -hedron | "Forms the names of solid figures bounded by a... |
| 3 | Ancient Greek | ἕδρα | seat, chair, stool, bench; the act of sitting;... |
| 4 | Proto-Hellenic | *hédrā | — |