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Definition of origin
1the point or place where something begins, arises, or is derived:a novel theory about the origin of oil the name is Norse in origin the terminology has its origins in America a person’s social background or ancestry:they will be asked about their ethnic origin a voice that betrays his Southern origins 2 Anatomy the place or point where a muscle, nerve, or other body part arises, in particular. the more fixed end or attachment of a muscle. a place where a nerve or blood vessel begins or branches from a main nerve or blood vessel. 3 Mathematics a fixed point from which coordinates are measured, as where axes intersect.