What is an orthorous?

Ancient Persian mail carriers? Can men be goddess? What does the name D'arcy mean? How did the forehead get its name? Who was Artemis in roman mythology? Where does the name Deanna originate? What was pharaoh guards called? Classical civilizations developed what whereas early River valley civilizations did not? Once circe realizes who Odysseus is why does her attitude toward him change? Did ancient Greece have a king or queen? Why did the Persian Empire not have to fight as much as other empires? What is the origin of the surname Lewis? What happened in 2011 to aid growth of ISIS? What arguments does Saladin to inspire his listeners? How did Greek city-state finally become unified? What are all of the Roman hero traits? What languages did Poseidon speak? Why did Odysseus give King Tyndareus the idea to make all of Helen's suitors swear an oath to defend the bridegroom? What was Theodorus most remembered for? What European country was responsible for the destruction of the Aztec and the Inca empires?