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a combining form meaning “in two parts,” “in pairs,” used in the formation of compound words: dichogamy.
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Origin of dicho-

<Greek, combining form of dícha in two, asunder
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022


What does dicho- mean?

Dicho- is a combining form used like a prefix meaning “in two parts, in pairs.” It is used in a few, mostly technical terms.

Dicho- comes from the Greek dícha, meaning “in two” or “asunder” (in separate parts). The Greek dícha is based on the Greek dís, “twice, double,” ultimate source of the combining forms di- and diplo-.

The English word two, in fact, is distantly related to the Greek dís. So are the combining forms bi-, bin-, duo-, and twi-. Double down on your word roots by checking out our Words That Use articles for the terms.

What are variants of dicho-?

When combined with words or word elements that begin with a vowel, dicho- becomes dich-, as in dichoptic.

Examples of dicho-

A dichotomy is a “division into two, often contradictory parts.”

The dicho- part of the word means “in two.” So, what about the -tomy portion of the word? That’s right, it means “cutting.” Dichotomy literally translates to “cutting in two.”

The word comes from the Greek dichotomía, which uses an equivalent of the form dicho- in the language.

What are some words that use the combining form dicho-?

What are some other forms that dicho- may be commonly confused with?

Break it down!

The combining form -gamous means “having gametes or reproductive organs” of a kind specified by the first part of the word.

Based on the meaning of dicho-, do the reproductive organs of a dichogamous plant mature at the same time?

How to use dicho- in a sentence

British Dictionary definitions for dicho-


before a vowel dich-

combining form
in two parts; in pairsdichotomy

Word Origin for dicho-

from Greek dikho-, from dikha in two
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012