Where does “tetraedrico” come from?
tetraedrico (Italian) comes from Portuguese tetraedro, from Ancient Greek τετράεδρον, from Ancient Greek τετράεδρος, from Ancient Greek -ός, from Proto-Hellenic *-os, from Proto-Indo-European -ós — Creates agent nouns from verb stems, denoting...
tetraedrico (Italian): tetrahedral
Definitions
- tetrahedral
Ancestry of “tetraedrico”, step by step
tetraedrico traces back through two separate lines of ancestry.
via Portuguese tetraedro
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Portuguese | tetraedro | tetrahedron |
| 2 | Ancient Greek | τετράεδρον | triangle-based pyramid |
| 3 | Ancient Greek | τετράεδρος | having four faces, tetrahedral |
| 4 | Ancient Greek | -ός | Forms agentive or patientive adjectives and nouns from the o-grade of a verbal root |
| 5 | Proto-Hellenic | *-os | — |
| 6 | Proto-Indo-European | -ós | Creates agent nouns from verb stems, denoting... |
via Italian tetra
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Italian | tetra | feminine singular of tetro; tetra |