ennea-

1. a combining form meaning “nine,” used in the formation of compound words.

   enneahedron.

Word History and Origins

Origin of ennea-¹

< Greek, combining form of ennéa nine

Example Sentences

Ennea, en′ē-a, a prefix in words of Greek origin, signifying nine.—n.

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Of a certain Rubenius Celer he says that he "would needs have it engraven on his tomb that he had led his life with Ennea, his dear wife, forty-three years and eight months, and never fell out."

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About the same time they sent ten thousand settlers of their own citizens and the allies to settle the place then called Ennea Hodoi or Nine Ways, now Amphipolis.

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They succeeded in gaining possession of Ennea Hodoi from the Edonians, but on advancing into the interior of Thrace were cut off in Drabescus, a town of the Edonians, by the assembled Thracians, who regarded the settlement of the place Ennea Hodoi as an act of hostility.

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When To Use

What does ennea- mean?

Ennea- is a combining form used like a prefix meaning “nine.” It is used in some scientific and other technical terms.Ennea- comes from the Greek ennéa, meaning “nine.” The Latin counterpart is nōnus, meaning “ninth” and source of the combining form nona-, which you can learn more about in our Words That Use articles for that form.