Chen Collection, Middle Volume. Radical: Tree (mù). 20 strokes. Page 561, Entry 15. According to Tang Rhymes (Tangyun), Collected Rhymes (Jiyun), and Rhyme Meeting (Yunhui), this character is identical to the character for eaves. It also refers to steps. In the Songs of Chu (Chuci), specifically the Great Summons (Dazhao): Curved rooms and walking steps. Guo Pu stated: It refers to the staircase passage between pavilions and towers. It also refers to a covered corridor. In Sima Xiangru's Rhapsody on the Imperial Park (Shanglin fu): Walking corridors flow around. Li Shan's commentary states: It refers to a long corridor for walking. According to Collected Rhymes (Jiyun), it is pronounced yan (third tone). In Master Yang's Dialects (Fangyan): In the regions of Qin and Jin, connecting bent timber is called yan.