浅
セン, あさ.い, あざ, さ

shallow, superficial, frivolous, wretched, shameful

JLPT2 G4 S9 F1253

As per 戔# (fine/slight) + 水 water → place where water runs thin (compare 津) → *shallow* → *light/pale*; *slight*; *little*; *few*.

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