a study the influence of arabic language on "abdullāh anṣārī 's words

tabaghat-o-alsufiya is one of the ancient persian texts written in the harat area (fifth century ad). khwaja abdullah ansari was a sufi who was preaching many people in several meetings in harat. his sermons were written by one of his students later, which called ''tabaghat-o-alsufiya''. this text's analysis can show some unspoken language tips about the current dialects at that geographic area. this article has focused on arabic language effects on language of tabaghat. after a while of  the  presense of arabs, arabic language for various social, scientific, religious, political and cultural reasons, influenced persian language and the works of great iranian writers and poets. ansari´s book's language shows it has been influenced from arabic language in some structure (grammar), vocabulary, phonetic and lexical features. this paper attempts to explain this subject with evidences and examples from the text. the study was done after careful reading of  tabaghat-e-ansari by using content analysis method.