This article of the author is devoted to the etymology of medical terms that have been introduced into the Uzbek language from other languages. It also discusses the vocabulary, socio-historical development of the Uzbek language, its relationship with other languages and the peculiarities of word acquisition. The article analyzes medical terms, mainly from Arabic to Uzbek. In the process of analysis, the origin and semantic features of these lexical units have been thoroughly studied theoretically and practically. In this regard, the author effectively used scientific sources in Uzbek and Russian languages, as well as various dictionaries and research papers, and expressed his scientific hypothesis. Instead, he drew relevant scientific conclusions on the subject by referring to examples and evidence that differentiate the same concepts and phenomena. In particular, the article describes the etymology and national-cultural features of medical terms borrowed from Arabic into Uzbek - linguoculturology on the basis of historical and synchronous, comparative and component analysis methods. For example, the use of the complication lexeme in the Uzbek language in the sense of a sign, trace, specific feature, which appeared or appeared after an event, is associated with modern medicine in the example of today’s infectious, acute respiratory disease pandemic covid-2019. Attention is also paid to the synonym of the complication lexeme in the Uzbek language and its homonym. Many such original examples can be cited from the article. So, all of the above in a sense determines the scientific-theoretical and practical value of this article.