Zi Collection, Page Position: Lower Radical: Insect (chóng) Page 1076, Entry 09 The Dictionary of Rhymes (Yunhui) notes the pronunciation as fen. The pronunciation is the same as the word for a burrowing rodent (fen). It is a character used in personal names. As recorded in the Commentary of Zuo (Zuozhuan) on the twenty-second year of Duke Zhao, there was a man named Bo Fen, the son of Duke Xian of Liu by a concubine. The True Meaning of Characters (Zhengzitong) states that this character is identical to the character for a burrowing rodent (fen).