減
ゲン, へ.る, へ.らす

dwindle, decrease, reduce, decline, curtail, get hungry

JLPT2 G5 S12 F261

As per 咸# (shut) + 水 water → (partially) shut off the flow of water → *reduce*; *decrease*; *diminish*; *dwindle*; *subtract* → *be hungry*.

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