The Persian words which joined into the Arabic language in the classical period

Our thesis called as ? the Persian worbs which joined into the Arabiclanguage in the classical Period? is formed by an entry, three parst and aconclusion.İn the entry, there is information about Arabic Persian interactionand the factors which are affective on this.İn the first part,Dahûl (the interior words of the Arabic language) andmuarreb (the words that have become Arabic), and the short history of thestudies on this subject are given.İn the second part, thereis information about the main sources whichconvey the Classical Period Arabic language to our time, that is Arabicpoem, Quran and hadis (the Prophet Muhammed?s sayings), and the Persianwords that passed into these.İn the third part the Persian worst passed into Arabic language in theClassical Period are given with their meanings in the alphabetical order andthe saurces which indicates that they are Persian words.İn the conclusion, the study is evaluated briefly.