endogamy
noun /enˈdɒɡəmi/
/enˈdɑːɡəmi/
[uncountable] (specialist)- the custom of marrying only people from your local community
compare exogamy族内婚,内婚制(只在一个群体内部通婚的风俗) 词源mid 19th cent.: from endo- ‘within’ + Greek gamos ‘marriage’, on the pattern of polygamy.