Why does hot dog have the word dog in it?

Answer 1

It stems from a 19th Century suspicion that sausages had dog meat in them, which was sometimes true. A little later is became known as an exclamation of approval, consumers liked the product.

Answer 2

The term "hot dog" is believed to have originated in the 19th century, with some accounts linking it to the word "dachshund." The connection is likely due to the shape of a dachshund being similar to a sausage, which led people to jokingly refer to sausages as "Hot Dogs." Over time, the term stuck and became common usage for this type of food.