Bactrian was the language of Bactria in northern Afganistan. This language is considered as one of the Eastern Middle Iranian Languages which was used from the first to the ninth century. The remaining materials from this language include coins, seals, inscriptions and documents. In 1990s, many Bactrian documents were found amongst which the letters were of most importance as they gave much more information about the Bactrian language. These letters were mostly written on leather and cloth.In the present article, one of these letters named as “The Letter of Borzmihr” will be analyzed. This letter was written in thirteen lines and on very fine leather. First, the letter will be transcribed and translated into Persian and then a full etymological analysis will be presented.
Keywords:Bactrian Language, Letter, Document, Borzmihr, Correspondence Techniques.