This is the 2968th most frequent Arabic word.
يدخل
"يدخل" means "to enter."
In this sentence, 'يدخل' means 'enters' and describes the action of the student going into the classroom.
يدخل الطالب الصف بسرعة.
The student enters the classroom quickly.
Here, 'يدخل' is used metaphorically to indicate the beginning or arrival of nighttime.
عندما يدخل الليل، تتغير الألوان في السماء.
When the night falls, the colors in the sky change.
In this context, 'يدخل' is used to describe the action of doctors physically moving into the operating room.