Etymology Explorer › English

Where does “enneagon” come from?

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

enneagon (English): A polygon with nine sides; a nonagon

Definitions

  1. A polygon with nine sides; a nonagon

Ancestry of “enneagon”, step by step

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

Words derived from “enneagon”

  • enneagonal
Every word from Proto-Indo-European ǵónu →