The term PAX is composed of two crossword solutions, ROMANA (6 letters) and PEACE (5 letters). ROMANA is a Latin word meaning 'ROMAN' or 'of Rome'. It is derived from the ROMAN Empire, which was one of the most powerful empires in history. PEACE is an English word meaning 'absence of war or violence'. It is often used to describe a state of harmony between people or nations. Together, ROMANA and PEACE form the term PAX, which is a Latin word meaning 'PEACE'.