Where does “decagonal” come from?

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

decagonal (Catalan): decagonal

Definitions

  1. decagonal

Ancestry of “decagonal”, step by step

decagonal traces back through two separate lines of ancestry.

via Catalan decàgon

StepLanguageWordMeaning
1Catalandecàgondecagon
2Catalan-gongon
3Ancient Greekγωνίαcorner, angle; joiner's square; cornerstone
4Ancient Greekγόνυknee
5Proto-Hellenicgónuknee
6Proto-Indo-Europeanǵónuknee

via Catalan al

StepLanguageWordMeaning
1Catalanal
Every word from Proto-Indo-European ǵónuEvery word from Proto-Hellenic gónuEvery word from Ancient Greek γόνυ