| a combining form with the meanings “marriage,” “union,” “fertilization, pollination,” of the kind specified by the initial element: exogamy; plastogamy; allogamy; also forming nouns corresponding to adjectives ending in -gamous: heterogamy. |

| -gamy suff.
[Greek -gamiā, from gamos, marriage; see gemə- in Indo-European roots.] |
-gamy suff.
Marriage; mate: monogamy.
Procreative or propagative union: heterogamy.