This is the 5639th most frequent Arabic word.
لأيام
"لأيام" means "for days."
In this sentence, 'لأيام' is used to indicate a duration of time.
كنتُ أنتظر قدومه لأيام.
I had been waiting for his arrival for days.
Here, 'لأيام' expresses a future time duration.
ستبقى السماء ملبدة بالغيوم لأيام.
The sky will remain covered with clouds for days.
In this example, 'لأيام' refers to the span of the celebration period.