This is the 11982nd most frequent Turkish word.
gittiği
"Where/that he/she/it went."
Here, 'gittiği' is used to describe 'the place he goes to' with a relative clause in Turkish.
Gittiği yerde hep yeni arkadaşlar ediniyor.
He always makes new friends wherever he goes.
In this sentence, 'gittiği' specifies 'the movie she went to' using a relatable phrase.
Gittiği filmi çok beğenmiş.
She liked the movie she went to watch very much.
Usage involves 'gittiği' to indicate 'the school he attended,' forming a descriptive construction.