This is the 5285th most frequent Turkish word.
kararlardan
"From the decisions"
In this sentence, 'kararlardan' is in the ablative case, indicating a relationship of responsibility associated with decisions.
Kararlardan sorumlu olan kişi toplantıya geç geldi.
The person responsible for the decisions arrived late to the meeting.
Here, 'kararlardan' is used to express the origin or source of regret, also in the ablative case.
Bazı kararlardan pişmanlık duyuyorum.
I regret some decisions.
This usage shows 'kararlardan' indicating the source of influence for the team's success.