The term 'butterlike product' can be summarized by the crossword solution of 'oleo, ' which is a four-letter word. Oleo is a shortened version of the word oleomargarine, which is a butter substitute made from vegetable oils. It was invented in the late 19th century as an alternative to butter, which was expensive and hard to come by. Oleo is still used today as a cheaper and more accessible alternative to butter.