The term 'becomes inedible, in a way' can be summarized by the crossword solution 'rots, ' which is a four-letter word. Rots is a verb that means to decay or decompose due to the action of bacteria, fungi, or other microorganisms. This process is known as putrefaction and is a natural part of the decomposition of organic matter. As organic matter rots, it becomes inedible and unfit for consumption.