Crossword Genius

Trouble resulting from ash-trays yet to be emptied out (6)

Ross

I believe the answer is:

harass

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'trouble' is the definition.
(I've seen this before)

I cannot understand how the remainder of the clue works.

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(Other definitions for harass that I've seen before include "Repeatedly torment" , "Disturb < badger" , "Pester, annoy continually (6)" , "Annoy persistently, persecute" , "hound" .)

I've seen this clue in The Hindu.
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