Where does “trigonous” come from?

trigonous (English) comes from Latin trigonus, from Ancient Greek τρίγωνος, from Ancient Greek γωνία, from Ancient Greek γόνυ, from Proto-Hellenic gónu, from Proto-Indo-European ǵónu — knee.

trigonous (English): trigonal

Definitions

trigonal

Ancestry of “trigonous”, step by step

Step	Language	Word	Meaning
1	Latin	trigonus	trigonal; three-angled; having three angles
2	Ancient Greek	τρίγωνος	three-cornered; three-sided
3	Ancient Greek	γωνία	corner, angle; joiner's square; cornerstone
4	Ancient Greek	γόνυ	knee
5	Proto-Hellenic	gónu	knee
6	Proto-Indo-European	ǵónu	knee

Words derived from “trigonous”

trigonously

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