Where does “Ikosaederstumpf” come from?

Ikosaederstumpf (German) comes from German stumpf, from Middle High German stumpf, from Old High German stumpf, from Proto-Germanic stumpaz — stump.

Ikosaederstumpf (German): truncated icosahedron

Definitions

  1. truncated icosahedron

Ancestry of “Ikosaederstumpf”, step by step

Ikosaederstumpf traces back through two separate lines of ancestry.

via German stumpf

StepLanguageWordMeaning
1Germanstumpfdull, blunt; flat
2Middle High Germanstumpf—
3Old High Germanstumpf—
4Proto-Germanicstumpazstump

via German Ikosaeder

StepLanguageWordMeaning
1GermanIkosaedericosahedron
Every word from Proto-Germanic stumpaz →Every word from Old High German stumpf →Every word from Middle High German stumpf →