This is the 3911th most frequent Turkish word.
babasının
"His/her/its father's"
The word 'babasının' signifies possession ('his/her father's').
Babasının arabası çok büyük.
His/her father's car is very big.
The word 'babasının' refers to the father's thought or idea, implying possession of an idea by the father.
Babasının fikrini merak ediyorum.
I am curious about his/her father's opinion.
The word 'babasının' highlights whose steps are being followed (the father's).