Top: negative 莫 (to sink/go down: The plants 艹 are made by the sun 日 to be large 大 [= as long shadows] at sunset.) [sunrise is: 旦 or ], bottom: cloth 巾
The plants 艹 are made by the sun 日 to be large 大 [= as long shadows] at sunset. - The very similar radical stands for sunrise. This seems bizarre, but can be argued based on the characters for morning 朝 in comparison to evening 暮.
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