The term 'Eternal City Resident' refers to a person who lives in Rome, Italy, which is often referred to as the Eternal City. The crossword solution for this term is 'ROMAN, ' which is a five-letter word. Rome has been an important city since ancient times and was the capital of the ROMAN Empire. It is known for its many iconic monuments and buildings, such as the Colosseum and the Pantheon. Residents of Rome are known as Romans, and they are proud of their city's long history and culture.