Where does “tetrahexahedron” come from?
tetrahexahedron (English) comes from English tetra, from Translingual Tetragonopterus, from Ancient Greek πτερόν, from Proto-Indo-European péth₂r̥, from Proto-Indo-European peth₂- — to spread out; to fly.
tetrahexahedron (English): A solid in the isometric system, bounded by...
Definitions
- A solid in the isometric system, bounded by...
Ancestry of “tetrahexahedron”, step by step
tetrahexahedron traces back through two separate lines of ancestry.
via English tetra
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | tetra | Any of numerous species of small South American... |
| 2 | Translingual | Tetragonopterus | — |
| 3 | Ancient Greek | πτερόν | feather; wing; Any winged creature |
| 4 | Proto-Indo-European | péth₂r̥ | wing; feather |
| 5 | Proto-Indo-European | peth₂- | to spread out; to fly |
via English hexahedron
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | hexahedron | A polyhedron with six faces. The regular... |
| 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 | — |