noun which may take the genitive case particle 'no'
Arab; Arabian; of Arab descent
Used as a no-adjective to describe people, culture, or things related to Arab ethnicity or the Arab world.
彼はアラブ系の学生だ。
He is a student of Arab descent.
この地域にはアラブ系の文化が色濃く残っている。
Arab culture remains strong in this region.