n. Beginning of existence; rise or first manifestation; first stage or indication of being or existence.n. That from which anything derives its being or nature; source of being or existence; cause or occasion; fountain; source: as, the origins of a nation.n. Hence, parentage; ancestry; pedigree; extraction; birth.n. In mathematics, the fixed starting-point from which measurement or motion starts; specifically, in analytical geometry, the point from which the coördinates are measured.n. In anatomy: The proximal, larger, or more fixed one of the two ends or attachments of a muscle; the part or place whence a muscle usually acts: opposed to insertion.To give rise to; originate; initiate.To arise; originate.