In English, the term deck is used to refer to a set of playing cards. This term originated from the word “deck” which was used to describe a pile of cards that were used for playing games on ships. During the sailing era, sailors would play cards to pass the time, and they would refer to the pile of cards they used as a “deck”. Over time, this term evolved and came to be used to refer to a deck of playing cards in general.
Playing cards were originally invented by the Chinese, and in Chinese, they are referred to as “paper cards”. In English, the formal term for playing cards is “playing cards”, but they are commonly referred to as a “deck”. This usage is similar to the Chinese term “牌堆”, which refers to a pile of cards used for playing games.
Therefore, the term “deck” is used to refer to playing cards in English because it originated from the word “deck”, which was used to describe a pile of cards used for playing games on ships. Over time, this term evolved and became a common term used to refer to a deck of playing cards. Now, it is a widely used term in English to refer to a deck of playing cards.