Left: water 氵, right: excellent 卓 ([Before the day happens:] Fortune telling 卜 early at the morning 早 is excellent.) Here: see 卓 as a variation of the traditional character for vehicle 車, which comprised an axle 丨, a loading area 日 and two wheels 二 (seen from above)
Mnemonic
Due to the water, half of a wheel of the vehicle 車 and the middle of the axle are already immersed: into the slush.
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