Cultural and historical conditions of modifications in Russian phraseological units with letter names

The article discusses causes, ways, and results of modifying Russian phraseological units with a letter-name component, which play significant role in all written linguistic cultures. relevance the theme is proven by sustained attention linguists to origin functioning units, objective comprehend underlying processes interacting between extralinguistic reality, including culture, language structures, social demand - rise interest native speakers national essence history alphabet. study aims at identifying causes for modification components, demonstrating central cultural historical factor process, analyzing ways results. material includes dictionaries text corpora, along authors’ own collection examples from spontaneous speech films digital media. Descriptive historical-etymological methods, contextual, semantic structural analysis, method double application were used research. paper argues that main modifications question include spelling reforms, progressive methods teaching reading writing, contacts people using other writing systems, changes ideological priorities, influential works art. way lexical change old letter name contemporary one concedes more creative not only sphere occasional creation as before, but also common usage. As result this modification, former international models develop features.