Specific Characteristics of Etymology of Lexical Units Belonging to Iranian Languages (as an example of historical works created in the Persian-Tajik language in the 10-13th centuries)

Abstract: This article presents the general conclusions arising from the etymological views of Persian and Tajik historians who lived in the 10th-13th centuries . The opinions of Persian-Tajik historians about the etymology of lexical units are significant in terms of the fact that they are among the first etymological views of Tajik etymology and in most cases are in harmony with today's scientific conclusions.