This is the 2979th most frequent Turkish word.
zeynep
"Zeynep" is a Turkish female given name, derived from Arabic, meaning "precious gem" or "father's ornament."
Here, 'Zeynep' is used as a proper noun, referencing a specific person.
Zeynep bugün çok mutlu görünüyor.
Zeynep looks very happy today.
In this sentence, 'Zeynep' is used in the possessive form, indicating ownership of the book.
Zeynep'in kitabını masanın üzerinde gördüm.
I saw Zeynep's book on the table.
The usage here is as a direct object indicating the person with whom the action is being performed.