Where does “orthotetrahedron” come from?

orthotetrahedron (English) comes from English tetrahedron, 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...

orthotetrahedron (English): A tetrahedron with three pairs of faces at right...

Definitions

  1. A tetrahedron with three pairs of faces at right...

Ancestry of “orthotetrahedron”, step by step

orthotetrahedron traces back through two separate lines of ancestry.

via English tetrahedron

StepLanguageWordMeaning
1EnglishtetrahedronA polyhedron with four faces; the regular...
2Ancient Greekτετράεδρονtriangle-based pyramid
3Ancient Greekτετράεδροςhaving four faces, tetrahedral
4Ancient Greek-όςForms agentive or patientive adjectives and nouns from the o-grade of a verbal root
5Proto-Hellenic*-os
6Proto-Indo-European-ósCreates agent nouns from verb stems, denoting...

via English ortho

StepLanguageWordMeaning
1EnglishorthoAn isomer of a benzene derivative having two...
Every word from Proto-Indo-European -ósEvery word from Ancient Greek -όςEvery word from Ancient Greek τετράεδρος