This is the 6476th most frequent Portuguese word.
ecos
"Echoes."
In this sentence, 'ecos' means the reverberations or repeated sounds, illustrating the physical phenomenon associated with sound waves.
Os ecos das montanhas eram impressionantes.
The echoes of the mountains were impressive.
'Ecos' here represents the metaphorical reverberations or lingering effects of an emotional experience.
Sua voz gerava ecos de saudade em meu coração.
Her voice generated echoes of longing in my heart.
In this usage, 'ecos' denotes the influence or remnants of past events persisting in present-day affairs.