Anthropological term for the custom of marrying outside one's own clan, tribe, or social group. Often contrasted with 族内婚 (endogamy).
See also: 族内婚
In many traditional societies, the rules of exogamy were strictly observed.
族外婚は、異なる集団間の同盟を強化する役割を果たすことがある。
Exogamy can serve to strengthen alliances between different groups.