The word "touch-screen" is a modern English compound noun formed in the late 20th century. It logically combines two pre-existing nouns: "touch," referring to physical contact, and "screen," referring to a flat surface for display or protection. The compound describes a screen that responds to touch, directly linking the literal action to the device's function. This transparent formation follows a common English pattern for naming new technologies by specifying their primary method of interaction with their core component.

Structure: touch (sense) + screen (sense) - touch: From Middle English touchen, from Old French tochier, likely of Germanic origin. In this compound, it functions as a modifier specifying the type of interaction. - screen: From Middle English scren, from Old French escren, of Germanic origin. In this compound, it functions as the head noun, specifying the object being modified.