un_countable
mass
common
concrete
reverberating, resound
I could hear the echo of the clap till here.
يمكنني سماع صدى التصفيق حتى هنا.
Thick carpet would reduce the echo in this hallway.
السجادة السميكة تقلل صدى الصوت في هذا المدخل.
The echoes of his scream sounded in the cave for several seconds.
ترددت أصداء صراخه في الكهف لعدة ثوان.
I heard the echo of the sound of the engine.
سمعت صوت صدى المحرك.
She could hear echoes of her own footsteps.
كانت تسمع أصداء خطواتها.
echo back to something
تذكر شيء مشابه في الماضي
This idea echoes back to the end of the last century, when people thought this way.
Middle English: from Old French or Latin, from Greek ēkhō, related to ēkhē 'a sound'.