Crossword Genius

Colours for duke getting approval (4)

Ross

I believe the answer is:

dyes

'colours' is the definition.
(dyeing is a kind of colouring)

'duke getting approval' is the wordplay.
'duke' becomes 'd' (abbreviation).
'getting' is a charade indicator (letters next to each other).
'approval' becomes 'yes' (I've seen this in another clue).
'd'+'yes'='DYES'

'for' is the link.

(Other definitions for dyes that I've seen before include "Many a pigment" , "Colours (fabric)" , "Stains" , "Colouring materials" , "Substances for staining or colouring" .)

I've seen this clue in The Guardian.
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