"Tang Yun" reads as "ru rong qie," and "Ji Yun" reads as "ru rong qie," with the same sound as "rong." "Shuowen Jiezi" explains it as wine. Also, "Ji Yun" records that one saying refers to wine that has undergone multiple fermentations. Also, "Ji Yun" reads as "nu li qie," with the same sound as "ni." "Zi Lin" explains it as multiple fermentations. Sometimes also written as "fú."