Where does “ennéagonal” come from?
ennéagonal (French) comes from French ennéagone, from French -gone, from Ancient Greek γωνία, from Ancient Greek γόνυ, from Proto-Hellenic gónu, from Proto-Indo-European ǵónu — knee.
ennéagonal (French): enneagonal
Ancestry of “ennéagonal”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | French | ennéagone | enneagon |
| 2 | French | -gone | -gon |
| 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 |