Chou Collection, Upper Volume Radical: Mouth (kǒu) 15 strokes Page 209, Entry 01 Jade Chapter (Yupian): This is a vulgar form of the character for vessel. For a detailed explanation, see the annotations for the character for vessel later in this dictionary. Correct Meaning (Zhengzitong): The character for vessel originated from the character for work, as it is created by craftsmen and used by subsequent generations, thus the shape includes the character for work.