eco
1. A sound or series of sounds caused by the reflection of sound waves from a surface back to the listener
We heard the echo of our voices bouncing off the canyon walls.
Ouvimos o eco de nossas vozes refletindo nas paredes do cânion.
2. A repetition or imitation of someone's words or ideas
His speech was merely an echo of the president's earlier remarks.
Seu discurso foi meramente um eco das observações anteriores do presidente.
3. A trace or vestige of something
The old architecture still carries echoes of colonial times.
A arquitetura antiga ainda carrega ecos dos tempos coloniais.
4. (verb) To repeat or imitate a sound, word, or idea
The child echoed everything the teacher said.
A criança ecoava tudo o que a professora dizia.
5. (verb) To be repeated as an echo; to resound
Her footsteps echoed through the empty hallway.
Seus passos ecoaram pelo corredor vazio.
In Brazilian Portuguese, 'eco' is frequently used in contemporary contexts, particularly in digital and environmental discourse (ecocidadão, ecoturismo). The word carries both literal acoustic meaning and metaphorical usage in media and politics, where 'eco' often describes the amplification of messages or ideas. In the USA, 'echo' has gained prominence in discussions about social media 'echo chambers' where algorithms reinforce existing beliefs.
Related Idioms & Phrases
echo chamber: a situation in which only similar ideas are reinforced
echoes of the past: reminders or remnants of previous events
to echo someone's sentiments: to agree with and repeat someone's opinions
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