Borscht BASIC is a programming language developed by the Soviet Union in the late 1960s. It was designed to be an easy-to-learn language for beginners, and its name is derived from the Russian word for BEET soup. The language was based on the BASIC programming language, which was popular in the United States at the time. Borscht BASIC was used in many Soviet computers until the 1980s, when it was replaced by more advanced languages. The crossword solution for Borscht BASIC is BEET, which is a four-letter word.