Lexical Definition

‎ἦχος‎ ēchos (ay'-khos) sound G:N-M
of uncertain affinity

fame, sound.

Usage: 9 forms in 20 verses
Form Translated As     In Verse(s)
ἦχοσ a sound Acts.2.2
report Luke.4.37
ἤχῳ to sound Heb.12.19
ἤχουσ sound Luke.21.25
ήχω a sound LXX.Ps.150.3
sound LXX.Jer.51.42
ήχουσ echo LXX.Jer.51.16
noise LXX.1Kgs.18.41
of noises LXX.Ps.77.17
sounds LXX.Ps.65.7
ήχου noise LXX.Ps.9.6
of sound LXX.Ps.42.4
of this sound LXX.1Sam.4.16
sound LXX.Jer.47.3
with a sound LXX.Isa.13.21
ήχοσ sound LXX.1Sam.14.19LXX.Isa.17.12
ήχον sound LXX.Prov.11.15LXX.Amos.5.23
ήχοι Sounds LXX.Joel.3.14

Abbott-Smith

ἦχος, -ου, ὁ (also in late and MGr., -εος, τό, Lk 21:25), [in LXX for חָמוֹן, etc.;]
1. a noise, sound: Ac 2:2; ἦ. θαλάσσης, Lk 21:25; σάλπιγγος, He 12:19.
2. a report: seq. περί, Lk 4:37.†

Abbott-Smith References

Book Refs
Luke 4:37 · 21:25
Acts 2:2
Hebrews 12:19

Liddell-Scott-Jones

ἦχος, ,

later form of ἠχή, [NT+4th c.BC+]; τεττίγων λιγὺν . [Refs]; παγᾶς [Refs 2nd c.BC+]; of the sound of words, opposed to sense, [Refs 4th c.BC+]; . ἐν ὠσί, or absolutely, ἦχοι, ἦχος, ringing in the ears, [Refs 5th c.BC+]

__2 echo, [Refs 4th c.BC+]
__3 Grammars, breathing, ἦχοι μὲν δασύς, δὲ ψιλός [Refs 4th c.BC+]
__4 voice, τὸν . εὔτονον καὶ λαμπρὸν ἀποτελεῖ [Refs 1st c.AD+]. (ἦχος, τό, is found in [LXX+NT]

LSJ Scripture Refs: Heb.12.19LXX.Jer.28.16*Luke.21.25