That word, which is not allowed to be used, came into being during the first 100yr war between the French and English. I looked it up because of the odd spelling and it’s use in the book ‘The Count of Monte Cristo’. So much for freedom of speech in the U.S. Constitution.
I’ll believe you as I have never been to one, the only burgers I have ever had came from family-owned places and the patties hand made. Cheers.