This is the 3607th most frequent Arabic word.
أكتوبر
"October" (the tenth month of the year).
Here, 'أكتوبر' is a time reference, situating the events of the sentence within the month of October.
في أكتوبر عادةً تبدأ الأشجار بفقد أوراقها.
In October, trees usually begin to lose their leaves.
In this context, 'أكتوبر' functions as the subject noun in the sentence, emphasizing it as a period of time.
أكتوبر هو الشهر المفضل لدي بسبب الطقس المعتدل.
October is my favorite month because of the mild weather.
The word 'أكتوبر' in this sentence is used as a noun referring to the specific month in the calendar, October.