Final answer:
In ancient Egypt, the names of kings and queens were written in oval cartouches, which were protected by a sacred knot believed to ward off evil spirits.
Step-by-step explanation:
In ancient Egypt, the names of kings and queens were written in oval cartouches, which represented a looped rope that had magical power. This rope, known as the sacred knot, was believed to protect the name written inside it and ward off evil spirits in both this world and the next.