Definitions:
a sound or sounds caused by the reflection of sound waves from a surface back to the listener

a close parallel to an idea, feeling, or event

a person who slavishly repeats the words or opinions of another

used in names of newspapers

a code word representing the letter e, used in radio communication.

a play by a defender of a higher card in a suit followed by a lower one in a subsequent trick, used as a signal to request a further lead of that suit by their partner.

(of a sound) be repeated or reverberate after the original sound has stopped

(of an object or event) be reminiscent of or have shared characteristics with

send a copy of (an input signal or character) back to its source or to a screen for display

(of a defender) play a higher card followed by a lower one in the same suit, as a signal to request one's partner to lead that suit.

a nymph deprived of speech by hera in order to stop her chatter, and left able only to repeat what others had said.