削さく剥はく作さ用よう

noun

denudation; degradation

Geological term for the wearing away of the Earth's surface by processes such as weathering and erosion.

• 削さく剥はく作さ用ようによって、長ながい年ねん月げつをかけて山やまが削けずられていく。

  Through denudation, mountains are worn down over long periods of time.