Title in a palindrome whose second word is "I'm" (5)

I believe the answer is:

madam

(Other definitions for madam that I've seen before include "Polite form of address for a woman" , "Palindrome used in speaking politely to a woman" , "Bossy girl" , "Leader of House of Congress" , "Woman of standing" .)

I've seen this clue in the Universal.

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