Lordly sauce is a medieval spice sauce made with spices and vinegar. This is quite a high end sauce because of the amount of spices in it.
The recipe is from Libellus de Arte Coquinaria, which is the compilation of several northern European cookbooks and manuals from the middle of the 1200’s. It is the first cookbook in Danish and I plan to put all 25 recipes up on the site when I get to them.