Search the dictionary A Chinese word or character, or English Draw a character Search 6 entries. tóngyuán 同源 homology (biology) tóngzōngtóngyuán 同宗同源 to share the same origins tóngyuáncí 同源词 cognate yàoshítóngyuán 药食同源 lit. food and medicine come from the same source (idiom) tóngyuáncí 同源詞 cognate yàoshítóngyuán 藥食同源 lit. food and medicine come from the same source (idiom)