1. (Abstract Noun) In audio signal processing and acoustics, an echo (plural echoes) is a reflection of sound, arriving at the listener some time after the direct sound. শব্দৰ প্ৰতিফলনৰ ফলত হোৱা ধ্বনি।

English: echo,
Assamese: অনুক্ষৰণ, প্রতিধ্বনি,
Bodo: रिंखांनाय,
Mising: donge, donge:ar, gombeg,
Khasi: ka jingsawa,
Garo: gam.chak,
Karbi: angtong,
TAI-Ahom: কং,
Hindi: गूँज, प्रतिध्वनि,
Nepali: प्रतिध्वनि