Crossword Genius

Have a look back (4)

Ross

I believe the answer is:

keep

'have' is the definition.
(keeping is a kind of having)

'a look back' is the wordplay.
'a look' becomes 'peek' (peek is a kind of look).
'back' is a reversal indicator.
'peek' backwards is 'KEEP'.

(Other definitions for keep that I've seen before include "Retain; part of castle" , "Retain; stronghold" , "Dungeon" , "Retain or care for" , "honour" .)

I've seen this clue in The Times.
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