"the hundred footer") in their lost treatise on Athenian architecture.Harpocration writes that the Parthenon used to be called by some, not due to its size but because of its beauty and fine proportions and, in the 4th century and later, the building was referred to as the ' or the as well as the "Parthenon"; the 1st-century-AD writer Plutarch referred to the building as the '.