This is the 5727th most frequent Arabic word.
للمسجد
"To the mosque."
The word 'للمسجد' is used here to indicate the location where the action of going takes place, showing the destination.
ذهبت اليوم للمسجد لأداء صلاة الجمعة.
I went to the mosque today to perform the Friday prayer.
Here, 'للمسجد' conveys possession or dedication, indicating that the road is for the mosque.
لابني طريق جديد للمسجد يسهل الوصول إليه.
There is a new road for the mosque to facilitate access to it.
In this sentence, 'للمسجد' is used to show the direction or beneficiary of the donation.