Welsh, itself, being derived from a Sassenach word meaning foreigner.

What *should be considered offensive about Michelangelo's David is that it isn't circumcised.

There is that other nagging question: If you know that a word or phrase is going to be offensive, however undeservedly, to a large group of people, and there is another term that can be used just as easily, is it right to continue using the offensive term?