Where did Goth come from

According to about.com The term "Gothic" was used in the Renaissance to describe certain types of art (and architecture -- think gargoyles) in the Middle Ages, according to Shelley Esaak's Art History 101. This art was considered inferior, just as the Romans had held themselves superior to the barbarians. In the 18th century the term "Gothic" morphed into a genre of literature that had elements of horror