noun
[ U ] the study of how related languages are similar and different, especially in order to discover things about a language that both these languages came from, and that no longer exists
noun
[ U ] the study of how related languages are similar and different, especially in order to discover things about a language that both these languages came from, and that no longer exists
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005