Where does “tetartohedral” come from?
tetartohedral (English) comes from Ancient Greek τέταρτος, from Ancient Greek ἡμέρα, from Ancient Greek ἦμαρ, from Proto-Hellenic ā́mər, from Proto-Indo-European h₂eh₃mr̥, from Proto-Indo-European h₂eh₃- — to be hot; to burn.
tetartohedral (English): Having one fourth of the number of planes...
Definitions
- Having one fourth of the number of planes...