The term "dog collar" is a more informal and sometimes derogatory term, and it's not used respectfully by those in the clergy or by those who understand the history of the collar.
Here are some reasons why the term "dog collar" is used, but it's not accurate:
* Appearance: The white band of a clerical collar can resemble the collar worn by dogs, especially when viewed from a distance.
* Misunderstanding: Some people may simply be unaware of the proper term and use "dog collar" due to the visual similarity.
* Slang: The term "dog collar" can be used in a sarcastic or dismissive way, especially by those who hold negative views about the clergy.
It's important to use the respectful term "clerical collar" when referring to the collar worn by priests and other clergy members.