Strong’s Greek
G2279 — echos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἦχος
echos — pronounced ay'-khos
of uncertain affinity; a loud or confused noise ("echo"), i.e. roar; figuratively, a rumor:--fame, sound.
3 occurrences in the KJV.
Luke 4:37
And the fame of him went out into every place of the country round about.
Acts 2:2
And suddenly there came a sound from heaven as of a rushing mighty wind, and it filled all the house where they were sitting.
Hebrews 12:19
And the sound of a trumpet, and the voice of words; which voice they that heard intreated that the word should not be spoken to them any more: