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Echo, in Greek mythology, mountain nymph. She assisted Zeus in one of his amorous adventures by distracting Hera with her chatter. For this Hera made her unable to speak except to repeat another's last words. She fell in love with Narcissus, but when he rejected her, she pined away until only her voice remained. In another myth, she was loved by Pan, who, because he could not win her, caused shepherds to tear her asunder; Gaea buried her limbs, leaving only her voice.