Crossword Genius

Scrutinise each function (6)

Ross

I believe the answer is:

peruse

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

'each function' is the wordplay.
'each' becomes 'per'.
'function' becomes 'use' ('use' can be a synonym of 'function').
'per'+'use'='PERUSE'

(Other definitions for peruse that I've seen before include "Read or study carefully" , "Scrutinise" , "'Read through, browse (6)'" , "Look over" , "Read attentively" .)

I've seen this clue in The Telegraph.
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