Qieyun uses the characters "ku" and "gang" for the qieqie pronunciation, and Jiyun uses the characters "qiu" and "gang" for the qieqie pronunciation, with the pronunciation being "kang." Shuowenjiezi explains it as a spacious house, referring to a house that is empty and vast. Yupian explains it as empty or vacant. Sima Xiangru's "Changmen Fu" contains the sentence "wei cen ci yi 㝩㝗". Furthermore, Guangyun, Jiyun, and Leipian use the characters "kou" and "lang" for the qieqie pronunciation, with the pronunciation being "kang." The meaning is the same. The original character is written as "㝩". Jiyun sometimes uses the "xue" radical, writing it as "䆲".