Ключевое слово: «alaas»

This paper demonstrates a linguistic study focusing on the motivational features and lexical-semantic nuances of toponyms within the Tyarasinskiy nasleg, situated in the Republic of Sakha (Yakutia). Investigating the interplay between language and culture, the research aims to elucidate connections through a detailed analysis of toponyms. The study entails tasks such as reviewing theoretical literature, selecting toponyms, translating Yakut names into Russian, and classifying them based on motivations of naming and lexical-semantic characteristics. Results indicate prevalent motifs from the groups «Topographic Description» and «Material Culture» within the toponyms. The research underscores the significance of Yakut toponymy, revealing cultural rich-ness and the intricate relationship between the landscape, inhabitants, and their heritage.