This is the 3080th most frequent Arabic word.
الجدير
Worthy.
In this sentence, "الجدير" is used idiomatically in the phrase "الجدير بالذكر" meaning "it is worth mentioning".
الجدير بالذكر أن المدرسة ستغلق الأسبوع المقبل.
It is worth mentioning that the school will close next week.
Here, "الجدير" is used to mean "deserving" or "worthy", describing the student.
الطالب هو الجدير بهذه الجائزة.
The student is deserving of this award.
In this context, "جدير" is utilized to signify "worthy of", modifying the action of reading regarding the book.