Zi Collection, Upper Volume, Page 3, Entry 01 Pronounced yu (falling tone) A type of bamboo. Also explained in Pianhai as bamboo joints. Alternatively written as . Also refers to small bamboo. Etymology: According to Shuowen Jiezi, the character "豙" is composed of "豕" and "辛" as the phonetic component. Changed from "豙" to "䉨". Pronounced yi (rising tone). Changed to "毅". Alternatively written as . Changed to .