endogamy
1. [ noun ] (law,sociology) marriage within one's own tribe or group as required by custom or law
Synonyms: inmarriage intermarriage
Related terms: marriage inmarry
Similar spelling:   endogamic
  endozoa
  endogamous
  endozoan
  endogeny
  entozoa
  endogen
  endgame
  endozoic
  endocarp
  end_game