The term 'bow-making material' refers to the materials used to make bows, such as those used for archery. Two of the most common materials used are YEW (3 letters) and elmwood (7 letters). YEW is a type of evergreen tree that is native to Europe, North Africa, and parts of Asia. It is known for its strength and flexibility, making it an ideal material for bow-making. Elmwood is a type of hardwood tree that is native to Europe, North America, and parts of Asia. It is known for its durability and resilience, making it another great choice for bow-making.