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a combining form meaning “joined, united,” “joining, union,” used in the formation of compound words: gamopetalous.
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Origin of gamo-

Combining form representing Greek gámos marriage
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022


What does gamo- mean?

The combining form gamo- is used like a prefix meaning “joined” or “united.” It is very occasionally used in scientific terms, especially in botany.

Gamo- comes from Greek gámos, meaning “marriage.”

What are variants of gamo-?

While gamo- doesn’t have any variants, it is related to the form -gamous, as in monogamous. Additional combining forms of the same general origin include gamet-, gameto-, and -gamy. Want to know more? Read our Words That Use articles for the forms.

Examples of gamo-

An example of a scientific term that features the form gamo- is gamogenesis, meaning “sexual reproduction.”

The form gamo- means “united,” while genesis means “creation” or “beginning,” from Greek génesis, meaning “origin.” Gamogenesis literally translates to “united creation” or “creation in unity.”

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

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

Break it down!

The combining form -phyllous means “having leaves.” With this in mind, how would you describe the leaves of a gamophyllous plant?

How to use gamo- in a sentence

  • He gave us an account of the capture off Barcelona, by the Speedy sloop-of-war, of the Gamo frigate, more than twice her size.

    Twice Lost|W.H.G. Kingston
  • The difficulty was to secure the prisoners, they having been driven into the main-hold of the Gamo.

    Twice Lost|W.H.G. Kingston

British Dictionary definitions for gamo-


before a vowel gam-

combining form
indicating sexual union or reproductiongamogenesis
united or fusedgamopetalous

Word Origin for gamo-

from Greek gamos marriage
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

Medical definitions for gamo-


The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.