In cooking, what is a ';mira qua'; sauce and how is it spelled?

I was watching a cooking show, and I heard something that sounded like ';mira qua'; mentioned in reference to making a sauce. I haven't been able to find anything about it by searching online. I am curious as to how it is spelled so that I could get more info/recipes on it.In cooking, what is a ';mira qua'; sauce and how is it spelled?
Mirepoix is not a sauce, it's the trinity celery, carrots and onions. In Louisiana, you substitute peppers for the carrots. They are the base of most cooking.In cooking, what is a ';mira qua'; sauce and how is it spelled?
Miraqua isn't a sauce. It is mirepoix. It is the combination of onions, celery and carrots. In New Orleans they substitute green pepper for the celery and call it the trinity.
mirepoix i think is what you're looking for! heres a link~

http://en.wikipedia.org/wiki/Mirepoix_(c