This is the 5000th most frequent Turkish word.
girişimine
"To an attempt" or "to an initiative."
'Girişimine' here implies 'your initiative' indicating the ownership and effort for undertaking a specific project or attempt.
Projenin başarısı için girişimine güveniyoruz.
We trust your initiative for the success of the project.
'Girişimine' in this sentence means 'his/her initiative,' referring to a specific action or organized endeavor initiated by another party.
Onun girişimine katılmayı kabul ettik.
We agreed to join his/her initiative.
'Girişimine' here denotes 'to the initiative,' describing the target or purpose of the action of applying.