This is the 13530th most frequent Turkish word.
koşmaya
"Koşmaya" means "to running" or "for running" in English, depending on the context.
In this sentence, 'koşmaya' is used in the dative form with the verb 'başladım' ('I started') to indicate the action being started.
Koşmaya başladım çünkü yağmur yağıyordu.
I started running because it was raining.
Here, 'koşmaya' is in the dative form to follow the verb 'bulamıyorum' ('I cannot find') and indicates the activity for finding time.
Koşmaya vakit bulamıyorum.
I cannot find time to run.
The word 'koşmaya' is used to refer to the purpose of the action of 'going,' which is an infinitive in Turkish serving as the object of the verb 'gidiyor' ('is going').