Crossword Genius

Look back again (4)

Ross

I believe the answer is:

peep

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

This might be a double definition.

'look' is the first definition.
(peep is a kind of look)

'back again' is the second definition.
The answer and definition can be both acts as well as being singular nouns.
Perhaps they are linked in a way I don't understand?

Can you help me to learn more?

(Other definitions for peep that I've seen before include "Chirp" , "Peek" , "Large underground chamber" , "Sly look (palindrome)" , "Look quickly" .)

I've seen this clue in the Evening Standard.
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