DISCOLOR
discolor, discolour, colour, color
(verb) change color, often in an undesired manner; “The shirts discolored”
discolor
(verb) cause to lose or change color; “The detergent discolored my shirts”
discolor
(verb) lose color or turn colorless; “The painting discolored”
Source: WordNet® 3.1
Etymology
Verb
discolor (third-person singular simple present discolors, present participle discoloring, simple past and past participle discolored)
(American spelling) To change or lose color.
Source: Wiktionary
Dis*col"or, v. t. [imp. & p. p. Discolored; p. pr. & vb. n.
Discoloring.] Etym: [OE. descolouren, OF. descolorer, F. décolorer,
fr. L. dis- + cololare, coloratum, to color, color color. See Color.]
[Written also discolour.]
1. To alter the natural hue or color of; to change to a different
color; to stain; to tinge; as, a drop of wine will discolor water;
silver is discolored by sea water.
2. To alter the true complexion or appearance of; to put a false hue
upon.
To discolor all your ideas. Wat
Source: Webster’s Unabridged Dictionary 1913 Edition