What Does CHU Stand For?

CHU stands for Old Church Slavonic Language ISO 639 2 Code

CHU is the ISO 639-2 code representing the Old Church Slavonic language, which is a historical Slavic language utilized in the liturgical practices of Eastern Orthodox Christianity. This language is significant for its role in the cultural and religious development of Slavic nations and serves as an important linguistic bridge to the early forms of Slavic languages.