Where does “polygonness” come from?

polygonness (English) comes from English polygon, from Ancient Greek πολύγωνον, from Ancient Greek πολύγωνος, from Ancient Greek γωνία, from Ancient Greek γόνυ, from Proto-Hellenic gónu, from Proto-Indo-European ǵónu — knee.

polygonness (English): The state of being a polygon

Definitions

  1. The state of being a polygon

Ancestry of “polygonness”, step by step

polygonness traces back through two separate lines of ancestry.

via English polygon

StepLanguageWordMeaning
1EnglishpolygonA plane figure bounded by edges that are all...
2Ancient Greekπολύγωνονpolygon
3Ancient Greekπολύγωνοςpolygonal, many-angled
4Ancient Greekγωνίαcorner, angle; joiner's square; cornerstone
5Ancient Greekγόνυknee
6Proto-Hellenicgónuknee
7Proto-Indo-Europeanǵónuknee

via English Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Proto-Indo-European ǵónu