It does have a corresponding Greek title: Ἡ Ἑλληνικὴ γλῶσσα καθ᾿ αὑτὴν φωτιζομένη (right at the top). I assume the use of the Latin title is to help people who

It does have a corresponding Greek title: Ἡ Ἑλληνικὴ γλῶσσα καθ᾿ αὑτὴν φωτιζομένη (right at the top). I assume the use of the Latin title is to help people who are familiar with Ørberg recognize immediately what this is.