同宗同源 tóngzōngtóngyuán to share the same origins Origin Definitions Defs Strokes Stroke Words Sentences Sents 同宗 tóngzōng of the same clan To belong to the same clan or share the same ancestry; to share the same surname同源 tóngyuán from the same source sharing a common origin or starting point; used for water sources, historical roots, or cultural origins