Where does “7-gon” come from?

7-gon (English) comes from English gon, from Ancient Greek γωνία, from Ancient Greek γόνυ, from Proto-Hellenic gónu, from Proto-Indo-European ǵónu — knee.

7-gon (English): A polygon with seven sides and seven angles

Definitions

  1. A polygon with seven sides and seven angles

Ancestry of “7-gon”, step by step

7-gon traces back through two separate lines of ancestry.

via English gon

StepLanguageWordMeaning
1EnglishgonOne hundredth of a right angle; a gradian;...
2Ancient Greekγωνίαcorner, angle; joiner's square; cornerstone
3Ancient Greekγόνυknee
4Proto-Hellenicgónuknee
5Proto-Indo-Europeanǵónuknee

via English 7

StepLanguageWordMeaning
1English7
Every word from Proto-Indo-European ǵónu