Best Answer - Chosen by the Asker
"Hot dog" came from a comic。. In 1906, the sausage in the United States remains a novelty food, there are a variety of terminologies, such as the "Frankfurt sausage," "Frank sausage," "Vienna sausage",and there is " Technip-chen sausage dog "。the dog have long bady ,short legs.and very similar to the species.
"Hurst reported that" the cartoonist Tad Dorgan to see the dog-type sausages and hear their cries Hawker, improvisation drew a cartoon
.But he has forgotten how to spell dachshund (Technip-chen), he had no choice but to write a word is “dog”, the result written in the "Come and buy hot dogs."