Wei Collection, Upper Volume
Radical: Rice (mǐ)
Kangxi Strokes: 9
Page 906, Entry 38
Pronounced shēn.
Refers to powdered residue or dregs. Another definition refers to the state of porridge once it has congealed.
Also, the Miscellaneous Records of Seasonal Customs (Suishi Zaji) records: On New Year's Eve, hemp candles are made using hemp residue (shēn) and thick oil, resembling torches used for lighting in courtyards. The legal code contains articles regarding the use of oil residue on New Year's Day, and the modern term "residue basin" refers to this practice.
The Comprehensive Examination of Monthly Ordinances (Yueling Tongkao) records: When sending off the old gods on New Year's Eve, pine wood is burned, which is referred to as a residue basin.