Zi Collection, Upper Volume, Page 11, Entry 03 Radical: Ice (bīng) Pronounced kun (falling tone) "Jiyun" (Jiyun) annotates the pronunciation using the *ku* (苦) and *ben* (本) characters, with a pronunciation identical to "kun" (閫). "Shuowen Jiezi" (Shuowen Jiezi) explains this as frostbitten feet. "Leipian" (Leipian) offers another interpretation, referring to footprints.