This is the 10706th most frequent Turkish word.
dalgalarının
"Of the waves" or "of its waves" (possessive form in Turkish).
Here, 'dalgalarının' is used as the possessive form of 'dalgalar' (waves), showing ownership related to the sea ('deniz'in' refers to 'deniz').
Denizin dalgalarının sesi beni huzura kavuşturuyor.
The sound of the sea's waves calms me.
'Dalgalarının' is used to indicate possession by 'Radyo', referring to 'radio waves' ('radyo dalgaları'), where 'radyo' specifies the type of waves.
Radyo dalgalarının yayılma hızını ölçtüler.
They measured the propagation speed of radio waves.
In this sentence, 'dalgalarının' expresses possession by 'göl' (lake), linking the waves specifically to the lake, giving the context of 'waves of the lake'.