See my comments on the post “Sard” in the Simon Teaches Old Words tag.
It’s actually much older than that. I’ve heard it used by Burgundians and Englishmen in the North of France. Quite old and it has always meant what it means. In my opinion, it is one of the most consistently used terms in the language. Of course, it may have shifted spellings in the older times, as there were no dictionaries and there were many language influences from languages with analogues.
It’s a good word. I miss “sard” though.