Crossword Genius

Perhaps automatic starter sounded buff (5)

Ross

I believe the answer is:

khaki

I'm a little stuck... Click here to teach me more about this clue!

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

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for khaki that I've seen before include "Military clothes" , "Sand-coloured" , "Military fabric/colour" , "Olive drab" , "buff" .)

I've seen this clue in The Telegraph.
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