This is the 5402nd most frequent Arabic word.
خصيص
"خَصِيص" means "mean," "vile," or "lowly" in English.
Here, "خصوصًا" means "specifically" or "particularly," indicating that the book's content is tailored for the students.
هذا الكتاب مكتوب خصيصًا للطلاب.
This book is specifically written for students.
In this context, "خصوصًا" means "especially," emphasizing that the dessert was made with the recipient in mind.
أعددت هذه الحلوى خصيصًا لك.
I prepared this dessert especially for you.
Here, related usage to "خصيصًا" indicates exclusivity, showing that the place is reserved for a particular group, namely the visitors.