This is the 3685th most frequent Turkish word.
vermesini
"Vermesini" means "giving (it)" in English, typically used in contexts involving someone giving something.
In this sentence, 'etmesini' reflects a request or desire for Ali to perform the action of helping, used in a subordinate clause.
Ali'nin bize yardım etmesini istemiyoruz.
We don't want Ali to help us.
Here, 'vermesini' represents the anticipated action of the doctor giving medicine, used as an object within the predicate.
Doktorun hastaya ilaç vermesini bekledik.
We waited for the doctor to give medicine to the patient.
In this instance, 'vermesini' indicates the action of making a decision attributed to the manager, incorporated in a dependent clause.