Before revision: In linguistics, it is when a prestige language adopts features of a regional language, such as how, in medieval times, Church Latin developed regional pronunciation differences in the different countries it was used, including Italy, France, Spain, Portugal, England, Germany, Denmark, Hungary, and Slavic countries.
After revision: In linguistics, it is when a prestige language adopts features of a regional language, such as how, in medieval times, Church Latin developed regional pronunciation differences in the countries it was used, including Italy, France, Spain, Portugal, England, Germany, Denmark, Hungary, and Slavic countries.