The multitude of Middle Iranian languages and peoples indicate that great linguistic diversity must have existed among the ancient speakers of Iranian languages. Of that variety of languages/dialects, direct evidence of only two have survived. These are:
মধ্যযুগীয় ইরানি ভাষার কতগুলি প্রাচীনকাল থেকে অস্তিত্বশীল?
two