The main theory is that the term lasagna can be traced down to the Greek word laganon, which was a flat sheet of dough cut into strips. This term is still used in Greece to describe a thin flat type of bread. There is also lasanon, which refers to a sort of ancient crock-pot. The Romans borrowed this word and turned it into lasanum, which also means a sort of cooking pot. Therefore, the entomology of lasagna is believed to refer to the pot it was cooked in.