a sound that is reflected off a surface and heard again

a repetition or imitation of a sound or idea

पुनरावृत्ति

English Usage: His speech was an echo of the party's ideology.

Hindi Usage: उनकी भाषण पार्टी के विचारधारा की पुनरावृत्ति थी।

to make a sound that is similar to another sound

to repeat or imitate

दोहराना

English Usage: The children echoed their teacher's words.

Hindi Usage: बच्चों ने अपने शिक्षक के शब्दों को दोहराया।