I study an image (4)

I believe the answer is:

icon

'an image' is the definition.
('icon' can be a synonym of 'image')

'i study' is the wordplay.
'study' becomes 'con' (I've seen this before).
'i'+'con'='ICON'

(Other definitions for icon that I've seen before include "found on computer screen" , "Image on wood or screen" , "Small image on computer screen" , "Representative symbol or religious painting" , "Representation, religious say" .)

I've seen this clue in The Telegraph.

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