Where does “Achtflächner” come from?

Achtflächner (German) comes from German Acht, from Middle High German āhte, from Old High German ahtô, from Proto-Germanic ahtō, from Proto-Germanic ahtōu, from Proto-Indo-European oḱtṓw, from Proto-Indo-European aḱ- — sharp, pointed; sharp, pointed, edgy; sharp,...

Achtflächner (German): octahedron

Definitions

  1. octahedron

Ancestry of “Achtflächner”, step by step

Achtflächner traces back through two separate lines of ancestry.

via German Acht

StepLanguageWordMeaning
1GermanAchtthe natural number eight; the numeral sign 8; a...
2Middle High Germanāhte—
3Old High Germanahtôeight
4Proto-Germanicahtō—
5Proto-Germanicahtōueight
6Proto-Indo-Europeanoḱtṓweight
7Proto-Indo-Europeanaḱ-sharp, pointed; sharp, pointed, edgy; sharp,...

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
Every word from Proto-Indo-European aḱ- →Every word from Proto-Indo-European oḱtṓw →Every word from Proto-Germanic ahtōu →