The word 守护 is formed by combining two characters, 守 (shǒu) and 护 (hù), which both independently carry the core meaning of "to guard" or "to protect". This is a classical method of Chinese word formation where two synonyms or near-synonyms are paired together to create a single, reinforced concept. The first character, 守, emphasizes the idea of keeping watch or defending a position, while the second, 护, adds the dimension of shielding or taking care of. Together, they merge into a holistic concept of vigilant, active protection, like a guardian who not only watches over but also actively shields from harm.