Zi Collection, Page Position: Lower Radical: Water (shuǐ) Page 94, Entry 01 In the Sound Compilation (Jiyun), it is provided with the pronunciation pen (level tone), sounding the same as pen. The Jade Chapters (Yupian) defines it as the act of spitting. It is also provided with the pronunciation pen (falling tone), sounding the same as pen. It is identical to the character pen. It refers to the sound of water.