n. 同部族婚姻；同组结婚；同族结婚；[植] 同系配合，[生物] 同系交配
endogamy 内婚制，族内婚
endo-, 内，里面。-gamy, 结婚，词源同exogamy,bigamy.
To this law, the converse of caste, forbidding marriage within the tribe, Mr. M'Lennan has given the name of exogamy: while, instead of caste, since that word involves notions unconnected with marriage, he has used the correlative word -- endogamy. [review in "The Lancet," March 25, 1865]