Complex sentence: The name "Katharevousa" implies a pure form of Greek as it might hypothetically have evolved from ancient Greek without external influences, but in modern Greek colloquial connotation, the word "katharevousa" has come to mean "formal language".
Split into simpler sentences: The name "Katharevousa" implies a pure form of Greek as it might hypothetically have evolved from ancient Greek without external influences. In modern Greek colloquial connotation, the word "katharevousa" has come to mean "formal language".