Possible Clues:

• Style of architecture common in Europe in 12th-16th centuries
• Turn to largely solid style of architecture
• Old language understood here in Caesar's Rome
• Style of e.g. Notre-Dame, Chartres
• Architectural or literary style
• Turn to endlessly solid style of architecture
• Architectural style of the Middle Ages
• Architectural style in Europe 12th-16th centuries
• Barbarous type
• Style of mediaeval architecture