Undiscovered talent developed (6)
I believe the answer is:
latent
'undiscovered' is the definition.
Both the answer and definition are adjectives. Perhaps they are linked in a way I don't understand?
'talent developed' is the wordplay.
'developed' indicates anagramming the letters.
'talent' is an anagram of 'LATENT'.
Can you help me to learn more?
(Other definitions for latent that I've seen before include "Talent (anag)" , "Potential not realised" , "waiting to be discovered" , "Existing but hidden" , "Not presently active" .)