This is the 7852nd most frequent Turkish word.
kazaya
"Accidentally" or "by mistake."
The word "kazaya" here refers to an accident, used in the dative case indicating the indirect object.
Bu kazaya dikkatsiz sürücüler sebep oldu.
This accident was caused by careless drivers.
In this sentence, "kazaya" indicates 'against accidents,' expressing a need for caution in the dative case.
Kazaya karşı dikkatli olmak gerekir.
It is necessary to be cautious against accidents.
Here, "kazaya" refers to an accident caused (in the dative case), associated with the verb causing an action.