Investigating the evolutionary changes of the Kurdish vocabulary (Ivan kalhor dialect) to the Pahlavi language

Kalhor tribe is one of the largest and most wide-ranging home-grown people of Iran throughout the history. From the study of existing and used vocabulary in the Kurdish dialect, it appears these vocabularies are of such an age that their background is in Middle Persian or Pahlavi. Some of these words have remained unchanged over time, and some have been affected by linguistic variations. This paper tries to study the structure, and the evolution of the present vocabulary in the Ivyani Kalhor dialect, using the two methods of library and field studying, in an analytical-descriptive approach. From the findings of the research, it has achieved that a part of the vocabulary has been transposed from Pahlavi to the Kurdish dialect (Avon) in terms of form and meaning. The other part is also transmitted in an identical manner, but the meaning of it has been changed. The third group is a lexical word in which the evolution of the sounds (the process of reduction, the process of increasing, the process of transformation and the dual process) has happened.