Hypertext Webster Gateway: "endogamy"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
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.
From WordNet (r) 1.7 (wn)
endogamy
n : marriage within one's own tribe or group as required by
custom or law [syn: {intermarriage}, {inmarriage}]
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