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- .
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