This is the 9644th most frequent Japanese word.
腐る
To decay, rot, or spoil.
In this sentence, '腐る' is used to describe the physical process of decomposition or spoilage, commonly used with food items.
果物が腐る前に食べましょう。
Let's eat the fruit before it rots.
Here, '腐る' metaphorically expresses moral or intellectual decay, applied to ideas or thoughts.
彼は腐った考えを捨てるべきです。
He should discard his rotten ideas.
In this instance, '腐る' describes damage or ruin caused by environmental conditions, applicable to objects like leather items.