Open English Wordnet
Nouns
(n)beginning, origin, root, rootage, sourcethe 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” (n)originthe point of intersection of coordinate axes; where the values of the coordinates are all zero (n)originthe source of something's existence or from which it derives or is derived“the rumor had its origin in idle gossip”,
“vegetable origins”,
“mineral origin”,
“origin in sensation” (n)lineage, line, line of descent, descent, bloodline, blood line, blood, pedigree, ancestry, origin, parentage, stemma, stockthe hereditary derivation of an individual“his entire lineage has been warriors”