This is the 5106th most frequent French word.
écho
Echo: A sound reflected off a surface and heard again.
Here, 'écho' is used to describe the acoustic phenomenon where sound reflects off a surface and returns as an audible replica.
Le son produit un écho dans la caverne.
The sound produces an echo in the cavern.
In this sentence, 'écho' serves as a metaphorical usage, expressing resonance or alignment of concepts or thoughts.
Son discours fait écho aux idées des philosophes.
His speech echoes the ideas of philosophers.
'Écho' conveys a figurative meaning, referring to how the song evokes remembrances similar to how sound echos visually illustrate a reflection.