A little room to look into (5)

I believe the answer is:

study

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

'a little room' is the definition.
'study' can be an answer for 'room' (study is a kind of room). I am unsure of the 'a little' bit.

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for study that I've seen before include "Scrutinize" , "(Room for) academic work" , "Analysis" , "Learn; den" , "Office at home" .)

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