This is the 3397th most frequent Arabic word.
لأداء
"لأداء" means "for performance" or "to perform."
The word "لأداء" here is used to indicate the purpose of going to the mosque, which is to perform the prayer.
ذهبت إلى المسجد لأداء الصلاة.
I went to the mosque to perform the prayer.
In this sentence, "لأداء" is used to explain the reason or purpose of the action of drinking coffee, which is to accomplish work energetically.
تناولت القهوة صباحًا لأداء عملي بنشاط.
I had coffee in the morning to perform my work actively.
Here, "لأداء" reflects the purpose of traveling, which is to carry out a social obligation.