Quetzal ("Merriam-Webster's Collegiate Dictionary"), from the Nahuatl root = "stand up" used to refer to an upstanding plume of feathers. The word entered English through Spanish. The word "quetzal" was originally used for just the resplendent quetzal, the long-tailed quetzal of Guatemala, (more specifically a town called Petén) which is the national bird and the name of the currency of Guatemala. It still often refers to that bird specifically but now also names all the species of the genera "Pharomachrus" and "Euptilotis". "Pharomachrus" is from Ancient Greek , "mantle", and , "long", referring to the wing and tail coverts of the
Monetary authority much as a de facto control over monetary policy if they are allowed to influence or control their central bank. Commonly, there is one monetary authority for one country with its currency. However, there are also other arrangements in place, such as in the case of the eurozone where the so-called Eurosystem, consisting of the European Central Bank and the 19 European Union member states that have adopted the euro as their sole official currency, is the monetary authority covering the eurozone. There are other arrangements, for example democratic governance of monetary policy, a currency board which restricts currency issuance