A little bit cut from start of unpleasant film after one PM in India (7)

I believe the answer is:

modicum

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'a little bit' is the definition.
(modicum means a very small amount)

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for modicum that I've seen before include "Mum, I cod about a small amount" , "Little bit" , "suggestion" , "A small amount as of drink" , "Tad" .)

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