Left: heavy 重 (a vehicle 車 with double wheels for heavy loads), right: strength/power 力 (hand/arm with biceps ノ) For a heavy vehicle, you need force for moving.
Top: to move 動 (For sth. heavy 重 you need strength 力 for moving.), bottom: fire 灬 (With the invention of the lantern, it became possible to move the light.) Make fire mobile: This is a meritorious deed and merit.
Radicals are shown here that are similar either in appearance or meaning.
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