Based on its etymological roots, ethics is the philosophical study of character, custom, and habits, which influence a person’s behavior. The term derives from the Ancient Greek word êthos (ἦθος), which originally referred to a dwelling place but evolved to mean a person’s moral character, disposition, or habit. The plural form ethea was used to refer to customs or habits. This original focus on character contrasts slightly with the etymology of the word “morality,” which comes from the Latin word mores. While mores also relate to customs, it generally refers to a society’s conventions or practices, whereas the Greek êthos places a greater emphasis on an individual’s ingrained character and disposition.