Vierflächner (German) comes from German vier, from Middle High German vier, from Old High German fior, from Proto-West Germanic feuwar, from Proto-Germanic fedwōr, from Proto-Indo-European kʷetwóres, from Proto-Indo-European kʷe- — and.
Vierflächner (German): tetrahedron
Definitions
tetrahedron
Ancestry of “Vierflächner”, step by step
Vierflächner traces back through two separate lines of ancestry.