The word of the season is – POLITICS – which comes from the Greek word – POLIS – meaning – CITY, CITIZEN. POLICE, POLICY, POLITICAL also come from this word.
COSMOPOLITE – comes from the Greek – COSMOS – meaning – WORLD, and refers to a well traveled person.
COSMOPOLITAN is the adjectival form describing such a status.
METROPOLITAN – comes from the Greek – METRO – meaning – MOTHER. It refers to a main or central city.
The words – TO POLISH, and POLITE – do not come from the word meaning CITY. They come from the Latin word – POLIRE – meaning – TO MAKE BRIGHT, TO SHINE, TO CLEAN, TO MAKE SPOTLESS.