Acoustic phenomenon of repetition of sound when bouncing when encountering an obstacle. Distant sound that sounds weak and confusing. In Greek mythology it was an oréade (or mountain nymph) of Mount Helicon. Echo or Echo, name of an asteroid (60) . Surname of an Italian philosopher and writer whose full name is Umberto Eco.
1º_ 'Eco' is the name of a nymph from Greek mythology capable of pronouncing the most beautiful words; but for deceiving Hera she was punished and lost her voice; he could only repeat the last word he heard. 2º_ By the previous one (or vice versa), it is the wave or sound reflected on a surface that return with a delay by the distance, and in the case of being words they are heard as a repetition. 3º_ For the above it is also a sound or a vague and confusing rumor. 4º_ Return or reflection in general of an effect . 5º_ Abbreviation or compositional element for "ecological" . See eco- .