Definition:Enneahedron/Linguistic Note

Linguistic Note on Enneahedron

The word enneahedron derives from the Classical Greek δεκαεδρόν:

ennea (ἐννέα), meaning nine

hedron (a form of ἕδρα), meaning base or seat.

The technically correct plural of enneahedron is enneahedra, but the word enneahedrons can often be found.