Dirty linen evidently washed, disgusting originally (4)

I believe the answer is:

lewd

'dirty' is the definition.
('lewd' can be similar in meaning to 'dirty')

'linen evidently washed disgusting originally' is the wordplay.
'originally' indicates taking the first letters.
The initial letters of 'linen evidently washed disgusting' is 'LEWD'.

(Other definitions for lewd that I've seen before include "Sexually crude" , "Obscene - lustful - sensual" , "Indecent and vulgar (4)" , "blue" , "Crude, offensive" .)

I've seen this clue in The Times.

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