同组结婚,同部族婚姻
Endogamy \En*dog"a*my\, n. Marriage only within the tribe; a custom restricting a man in his choice of a wife to the tribe to which he belongs; -- opposed to exogamy.
endogamy n : marriage within one's own tribe or group as required by custom or law [syn: {intermarriage}, {inmarriage}] [ant: {exogamy}]