Zi Collection, Upper Volume Radical: Person (rén) Page 114, Entry 06 With sinews strong — Book of Odes (Shijing) Also pronounced reng (falling tone) with the same sound as "er" (falling tone). In the "Guangyun" (Guangyun), it is explained as strong sinews and tendons. In the "Jiyun" (Jiyun), it is explained as tendons.