The crossword solution for the term 'A Character from Athens' is RHO, which is a three-letter word. RHO is an acronym for the Greek goddess Athena, who was the patron deity of the city of Athens. Athena was known for her wisdom and courage, and she was often depicted wearing a helmet and carrying a spear. She was also associated with the olive tree, which was a symbol of peace and prosperity in ancient Greece.