This is the 12330th most frequent Turkish word.
hattından
"Beyond one's limit" or "out of control."
Here, 'hattından' refers to the source or origin—specifically, the telephone line.
Telefon hattından ses gelmiyor.
There is no sound coming from the phone line.
In this sentence, 'hattından' is used metaphorically to represent the line or limit of acceptable behavior.
Davranışları sınır hattından taşmıştı.
Their behavior had exceeded the boundaries.
Here, 'hattından' signifies the specific avenue or track (the physical line or path) associated with a certain activity.