This is the 4th most frequent Marathi word.
न
The Marathi word "न" means "no" or "not."
Here, 'नाही' (nai) is a negation word indicating that the action did not take place.
मी तिथे गेलो नाही.
I did not go there.
In this sentence, 'ना' (na) is used as a tag question, seeking confirmation.
त्याने सांगितलं ना?
He told you, didn't he?
The word 'न' (n) is used here to instruct prohibition.