endogamy

endo- +‎ -gamy; compare inmarriage.

• (UK) IPA^(key): /ɛnˈdɒɡəmi/

endogamy (usually uncountable, plural endogamies)

1. The practice of marrying or requiring to marry within one's own ethnic, religious, or social group.
   • 1995, Isabel Fonseca, Bury Me Standing, Vintage 2007, p. 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.

2. (biology) the fusion of two related gametes.

• See also Thesaurus:intermarriage

• exogamy
• See also Thesaurus:intermarriage

• endogamous