Crossword Genius

Hard at it, you'll find success (3)

Ross

I believe the answer is:

hit

'success' is the definition.
(a hit is a commercial success)

'hard at it' is the wordplay.
'hard' becomes 'h' (abbreviation used in pencil classifications).
'at' says to put letters next to each other.
'h'+'it'='HIT'

'you'll find' is the link.

(Other definitions for hit that I've seen before include "A theatrical success" , "suit" , "Successful stroke, conspicuous success or connection to a website" , "not to miss!" , "Successful record" .)

I've seen this clue in the Evening Standard.
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