The crossword solution for the term 'P AT THE PARTHENON' is RHO, which is the 17th letter of the Greek alphabet. The Parthenon is an ancient temple located on the Acropolis of Athens, Greece, and was dedicated to the goddess Athena. The temple was built in 447 BC and is considered a symbol of Ancient Greece. The letter RHO is often used to represent the Parthenon, as it is the first letter of the Greek word for the temple, 'Parthenon'.