OLD BOOK VOCABULARY IN ABAI'S WORKS AND ITS LINGUO-STATISTICAL FEATURES

This article explores the features and frequency of old book vocabulary in the works of Abai Kunanbaiuly through the methods of statistical linguistics, which is a branch of applied linguistics. The aim of the study is to uncover the linguistic characteristics of the poet's legacy and scientifically substantiate the significance of his literary heritage in the context of Kazakh literature and culture. The influence of words borrowed from Arabic, Persian, and Chagatai languages on the Kazakh language, as well as their semantic continuity in modern Kazakh, is analyzed. Additionally the frequency of lexical units is determined using statistical linguistic methods. The works of Abai Kunanbaiuly are a valuable part of Kazakh literature and culture. The old book vocabulary in his works played a significant role in the development of the Kazakh literary language. This study examines the borrowed words in Abai's works from lexical and semantic perspectives, determining their frequency. The relevance of the study lies in identifying the scope and importance of borrowed words in the Kazakh language. The academic complete collection of Abai Kunanbaiuly's works was used as the research material. A text database of 51,207 word usages was created during the lexical analysis. Frequency indicators of words were determined through statistical linguistic methods, and the semantic analysis examined the transition of borrowed words from Arabic, Persian, and Chagatai into the Kazakh language. The study identified the most frequently used words and parts of speech in Abai's works. A high frequency of verbs and nouns was observed (verbs: 14,956 occurrences; nouns: 14,119 occurrences). Old book vocabulary in Abai Kunanbaiuly’s works demonstrates the lexical and semantic richness of the Kazakh language. The results of the statistical linguistic analysis provide quantitative and qualitative evidence of the poet's contribution to national literature and culture. The findings highlight the importance of old book vocabulary in the historical development of Kazakh literature and language.