Original sentence: The English name Greece and the similar adaptations in other languages derive from the Latin name Graecia, literally meaning 'the land of the Greeks', which was used by the Romans to denote the area of modern day Greece
Edited sentence: However, that theory has not solid foundation as it is generally considered that Slavs populated Balkans after the fall of Rome.The English name Greece and the similar adaptations in other languages derive from the Latin name Graecia, literally meaning 'the land of the Greeks', which was used by the Romans to denote the area of modern day southern Greece.There is a possibility that the name Graeci is derived from proto - Slavic word Grchi which means Snoring, or being not - understandable for the Slavs, and also it is opposite of the word Slav or understandable