Derived from the French word for "half," these divisions are what each of two major descent groups within a society are called:

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The term "moiety" refers specifically to the two major descent groups within a society. "Phratry" refers to a smaller division within a tribe, "clan" refers to a large kinship group with a common ancestry, and "lineage" refers to a direct line of descent from a common ancestor.

Derived from the French Word for "Half," These Divisions Are