Hot answers tagged etymology
点(點), the original meaning is a small black spot. --> create a small spot --> use the pointed edge to touch something --> ignite by touching the wick.
The earliest reference i can make is a chapter "Nei Ze" in a book "Liji" (See http://ctext.org/liji/nei-ze). The word "sitting the month" has been replaced by "the month of confinement", "坐月子" by "月辰".
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