According to the "Tang Yun" and "Ji Yun", this character is pronounced "yu tian qie", similar to "yan". The "Shuowen Jiezi" explains it as "playing with each other with glances". "Yangzi's Fangyan" states that this means "to look". In the Eastern Qi region, "to look" is called "fu". Any playful interaction with glances is called "fu". This character is sometimes also written as "yan". The "Shuowen Jiezi" quotes a line from the "Book of Odes (Shijing), Bei Feng": "fu wan zhi qiu." Current versions of the "Book of Odes" write it as "yan". Furthermore, the "Ji Yun" records it as pronounced "yi dian qie", similar to the falling tone of the character "yan". The "Guang Yun" records it as "wu yan qie", and the "Ji Yun" records it as "yu jian qie", pronounced similarly to "yan". The "Guang Yun" records it as "yu xia qie", and the "Ji Yun" records it as "yi xia qie", which is the entering tone of the character "yan". The meanings of these pronunciations are all the same. The "Ji Yun" records that this character is sometimes written with different forms and has other ways of writing.