ennea-
Nine.
[Greek ennea, nine.]
An enneagram is a nine-sided figure used in one system of analysis to represent the spectrum of possible personality types; an enneagon (Greek -gōnos, angled) is a nine-sided plane figure; an enneahedron (Greek hedra, seat, base) is a solid figure having nine faces; ennead is a group or set of nine. See also nona- and the entry Number words.
Visit Michael Quinion’s World Wide Words site for 2000+ articles on English!
Copyright © Michael Quinion 2008–. All rights reserved. Page last updated 23 September 2008.
Your comments and suggestions on the site are very welcome.