Zi Collection, Page Position: Upper, Radical: Cliff (hǎn), Page 10, Entry 01
The character 㿼 originally had a form from the Cliff (hǎn) radical.
In the "Guangyun" (Guangyun), it is pronounced "jian" with a rising tone. In the "Jiyun" (Jiyun), it is pronounced "jian" with a rising tone. The pronunciation is the same as "yan".
The "Yupian" (Yupian) explains it as a bowl. The "Guangyun" (Guangyun) explains it as a small cup.