Английский разговорный словарь (основной) - discolour
Discolour
discolour
dɪsˈkʌlə v.tr. & intr. (US discolor) spoil or cause to spoil thecolourof; stain; tarnish. øødiscoloration n. (also discolouration). [ME f. OF descolorer or med.L discolorare (as DIS-, COLOUR)]