The term 'ESPRESSO FROTH' is a combination of two words, 'ESPRESSO' and 'FROTH'. ESPRESSO is a type of coffee made by forcing hot water through finely ground coffee beans. FROTH is a light, airy foam that is created when milk is steamed or whipped. The crossword solution for this term is 'CREMA', which is a layer of foam that forms on the top of an ESPRESSO shot. It is made up of tiny bubbles of air and oils from the coffee beans, giving it a creamy texture.