The term for currency in some nations in Europe is called a pound, and the word pound originates from England. The pound is the value of weight in silver, and the words "pound sterling" is used on more formal occasions. The purpose of this term also specifically refers to the currency of the United Kingdom since other countries use the word" pound' to see the currency of their country. In other places, the name "quid" is a slang word for the pound, and it is a term used in more informal events. The origins of the time "quid" come from Royal Mint based Quid Hampton. This name was too long, so they shortened it to "quid." Quid is from the Irish, who refer to quid as "my money." English soldiers adopted this term, and in the Roman Empire of Latin expression, the term "quid pro quo" means something for something.