The Word Forming Suffixes not Registered by the Author and their Relation to the Modern Kyrgyz Language at Dictionary Book " Divanu lugati t-turk" by Mahmut Kashkari

The article is relevant by the dictionary "Divanu lugati t-turk" by Mahmut Kashkari and comparison with the modern Kyrgyz word-forming suffixes provide valuable facts for the history of Turkic languages, including the Kyrgyz language. The main goal of the article is to identify verb forms that are not registered by the author in the dictionary, to compare them with facts in the modern Kyrgyz language, and to identify changes in their lexical-grammatical meanings. The object of investigation is the Uzbek and Kyrgyz translations of M. Kashkari's dictionary. The research was carried out on the basis of the historical-comparative method. As a result, verb-formative suffixes not registered by the author in M. Kashkari's dictionary were divided into two groups and investigated, and the level of their use in the modern Kyrgyz language and in some cases in related languages was determined: whether they became productive or unproductive members, changed or not. The results obtained from the research will be material for the history of the Kyrgyz language, historical lexicology, and a comparative study of the morphological formation of words in Turkic languages.