Discoloration (noun)

A change in the color or appearance of something, especially a noticeable loss or change of color.

Origin:

From the latin discolorare, from dis-, meaning "apart," and colorare, meaning "to color.".

Examples:

1. The discoloration of the fruit was a sign that it was no longer fresh.
2. The discoloration of the leaves indicated that the plant was suffering from a disease.
3. The discoloration of the paint was caused by exposure to sunlight and rain.
4. The discoloration of the wall was due to a leak in the roof.
5. The discoloration of the teeth was the result of excessive coffee drinking and smoking.