How to pronounce echo in English

"A sound reflected from an opposing surface and repeated to the ear of a listener; repercussion of sound; repetition of a sound."

"Fig.: Sympathetic recognition; response; answer."

"A wood or mountain nymph regarded as repeating and causing the reverberation of them."

"A nymph the daughter of Air and Earth who for love of Narcissus pined away until nothing was left of her but her voice."

"To send back (a sound); to repeat in sound; to reverberate."

"To repeat with assent; to respond; to adopt."

"To give an echo; to resound; to be sounded back; as the hall echoed with acclamations."