endogamous
  (a.)同族結婚的
  en·dog·a·mous /-məs/ 形容詞
  同族結婚的,同系受精的
  En·dog·a·mous a.  Marrying within the same tribe; -- opposed to exogamous.
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  endogamous
       adj 1: characterized by or fit for fertilization by pollen from
              another flower of the same kind [syn: endogamic]
              [ant: exogamous, autogamous]
       2: pertaining to or characterized by the custom of marrying
          only within the limits of a clan or tribe [syn: endogamic]
          [ant: exogamous]