dimotikí
Dimotikí (Greek: δημοτική, meaning “demotic” or “vernacular”) refers to the form of Modern Greek that developed from the everyday speech of the Greek population. It is the basis of Standard Modern Greek, the language used in education, media, government, and formal writing, and is distinguished from Katharevousa, a purist, archaizing form that was once used in official contexts.
Historically, Katharevousa was developed in the 18th and 19th centuries as a stylized version of Greek modeled
Today, Dimotikí is the form taught in schools in Greece and used in most media and government