Where does “Neunflächner” come from?

Neunflächner (German) comes from German Flächen, from German -en, from Middle High German -en, from Old High German -īn, from Proto-Germanic -īnaz, from Proto-Indo-European -iHnos, from Proto-Indo-European -no- — adjectival suffix.

Neunflächner (German): enneahedron

Definitions

  1. enneahedron

Ancestry of “Neunflächner”, step by step

Neunflächner traces back through two separate lines of ancestry.

via German Flächen

StepLanguageWordMeaning
1GermanFlächenplural of Fläche; area
2German-enA suffix of verbs in their infinitive form; A...
3Middle High German-en—
4Old High German-īn—
5Proto-Germanic-īnaz-en
6Proto-Indo-European-iHnosCreates adjectives of materials
7Proto-Indo-European-no-adjectival suffix

via German neun

StepLanguageWordMeaning
1Germanneunnine
2Old High Germanniunnine
3Proto-West Germanicneunnine
4Proto-Germanicnewunnine
5Proto-Indo-Europeanh₁néwn̥nine
Every word from Proto-Indo-European -no- →Every word from German -en →Every word from Proto-Germanic -īnaz →