Where does “eptagono” come from?

eptagono (Italian) comes from Italian -gono, from Ancient Greek γωνία, from Ancient Greek γόνυ, from Proto-Hellenic gónu, from Proto-Indo-European ǵónu — knee.

eptagono (Italian): Alternative form of ettagono

Definitions

Alternative form of ettagono

Ancestry of “eptagono”, step by step

Step	Language	Word	Meaning
1	Italian	-gono	-gon
2	Ancient Greek	γωνία	corner, angle; joiner's square; cornerstone
3	Ancient Greek	γόνυ	knee
4	Proto-Hellenic	gónu	knee
5	Proto-Indo-European	ǵónu	knee

Words derived from “eptagono”

eptagonale
eptagonu

Every word from Proto-Indo-European ǵónu →Every word from Proto-Hellenic gónu →Every word from Ancient Greek γόνυ →