Zi Collection, Upper Volume, Page 21, Entry 05 Radical: Mouth (kǒu) Pronounced zhèn (falling tone) In the "Jiyun" and "Leipian," it is recorded with the pronunciation zhi-ren (直稔切), sounding the same as "zhen." "Shuowen Jiezi" explains it as the crossbeam of a hammer, and in the Guanzhong region, it is called a 㯢. Yang Xiong's "Fangyan" writes it as 㮳.