Zi Collection, Page Position: Upper, Radical: Mouth (kǒu), Page 3, Entry 02 Pronounced ji (entering tone) Thick fat or grease. One interpretation refers to the appearance of pus or discharge from a festering wound. Zi Collection, Page Position: Upper, Radical: Mouth (kǒu), Page 3, Entry 03 Also pronounced cè (entering tone) Thick fat or grease flowing out. "Yùpiān" (Yùpiān) explains it as to mix or blend.