The noun origin has 5 senses (first 4 from tagged texts)
1. (11) beginning, origin, root, rootage, source -- (the place where something begins, where it springs into being; "the Italian beginning of the Renaissance"; "Jupiter was the origin of the radiation"; "Pittsburgh is the source of the Ohio River"; "communism's Russian root")
2. (3) origin, descent, extraction -- (properties attributable to your ancestry; "he comes from good origins")
3. (1) origin, origination, inception -- (an event that is a beginning; a first part or stage of subsequent events)
4. (1) origin -- (the point of intersection of coordinate axes; where the values of the coordinates are all zero)
5. lineage, line, line of descent, descent, bloodline, blood line, blood, pedigree, ancestry, origin, parentage, stemma, stock -- (the descendants of one individual; "his entire lineage has been warriors")