endo- + -gamy; compare inmarriage.
endogamy (usually uncountable, plural endogamies)
- The practice of marrying or requiring to marry within one's own ethnic, religious, or social group.
- Synonyms: see Thesaurus:intermarriage
- Antonyms: exogamy; see also Thesaurus:intermarriage
1995, Isabel Fonseca, Bury Me Standing, Vintage, published 2007, page 24:
Far from suggesting a demoralized culture, endogamy here seemed the mark of a buoyantly confident group, settled in their skin and not needing outsiders.
- (biology) The fusion of two related gametes.
- Antonym: exogamy