discolored is a form of:

Discolor



verb
1.
(TRANSITIVE) (To spoil the color of to stain, to become changed in color, to change in color by fading or staining) ធ្វើឱ្យខូចពណ៌, ប្រែពណ៌
Example: Rust marks discolored the shirt, This cloth is guaranteed not to discolor in sunlight.
2.
(INTRANSITIVE) ខូចពណ៌, ហើរពណ៌, ប្រែពណ៌