Stained; very dark (4)

I believe the answer is:

inky

I believe this clue is a double definition.

'stained' is the first definition.
(thesaurus)

'very dark' is the second definition.
(inky black)

(Other definitions for inky that I've seen before include "Dark; stained" , "Leaked on by pen" , "Jet" , "Coloured black" , "Like the printing trade" .)

I've seen this clue in The Times.

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