Content Ad 002

Definition & Meaning: ennea- Word Root

The word root ennea- is derived from the Greek word meaning “nine.” This root forms the basis of several words that convey the concept of nine. For instance, an enneagram is a nine-sided figure used in personality analysis; an enneagon (Greek -gōnos, angled) is a nine-sided polygon; an enneahedron (Greek hedra, seat, base) is a solid figure with nine faces; and an ennead is a group or set of nine.

To better understand, let’s break down the word enneagon:

  • Ennea: nine
  • Gon: angled
  • Enneagon: a nine-sided plane figure

Diagram of words derived from the root "ennea-" meaning nine.

Words Based on the ennea- Word Root

Commonly Used Words based on the ennea- Word Root:

  • Ennead: a group or set of nine
  • Enneagon: a nine-sided polygon
  • Enneahedron: a polyhedron with nine faces
  • Enneagram: a nine-pointed stellate polygon

Archaic Words based on the ennea- Word Root:

  • Enneachord: a musical interval of nine notes
  • Enneateric: containing nine years
  • Enneatonic: based on nine tones

Technical Words/Jargon based on the ennea- Word Root:

  • Enneacontahedron: a polyhedron composed of 90 rhombic faces
  • Enneagynous: in botany, having nine pistils
  • Enneander: a plant having nine stamens
  • Enneapennate: muscle fibres containing nine fibres
  • Ennearchy: a government composed of nine rulers
  • Enneatic: occurring once in every nine times, days, years
  • Enneastyle: having nine columns

Related Word Roots

1. Non-/Nona-

Meaning: Nine

  • Nonagon: a nine-sided polygon
  • Nonagenarian: a person in their nineties
  • Nonuple: consisting of nine parts

2. Novem-

Meaning: Nine

  • November: originally the ninth month of the Roman calendar
  • Novennial: occurring every nine years
  • Novemdigitate: having nine fingers

We hope this article on the ennea- root word has been helpful in enhancing your vocabulary and understanding of words based on this root. Linking complex words with something memorable can make them easier to remember and understand. That’s the power of word roots!

Want to explore more Word Roots?

Explore Our Full Word Roots Section

Content Ads 02 Sample 01
Pop Up


Starting 3rd June 2024, 7pm



How to Master VA-RC 

This free (and highly detailed) cheat sheet will give you strategies to help you grow

No thanks, I don't want it.

Join our Free TELEGRAM GROUP for exclusive content and updates

Rsz 1rsz Close Img

Join Our Newsletter

Get the latest updates from our side, including offers and free live updates, on email.

Rsz Undraw Envelope N8lc Smal
Rsz 1rsz Close Img