ˈɒɹ.ɪ.dʒɪn ˈɔɹ.ɪ.dʒɪn sɔɹs sɔːs 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 a developed system of roots fixedness by or as if by roots strengthened by rootage in the firm soil of faith