echo2
/ˈekəʊ ˈए̮को/ verb 1 [I] (used about a sound) to be repeated; to come back as an echo (ध्वनि का) दोहराया जाना, प्रतिध्वनित होना; (ध्वनि का) गूँज के रूप में लौटना
Their footsteps echoed in the empty hall.