Word Origin & History
1674, of Ptolemy, Alexandrian astronomer (2c.) whose geocentric model of the universe was accepted until the time of Copernicus and Kepler. Also (1771) "of the Ptolemies," Macedonian Gk. dynasty that ruled Egypt from the death of Alexander to Cleopatra. The name is Gk. Ptolemaios, lit. "warlike," from
ptolemos, collateral form of polemos "war."