Lexical Definition

‎ἔντρομος‎ éntromos (en'-trom-os) trembling G:A
from ‎ἐν‎ and ‎τρόμος‎

X quake, X trembled.

Usage: 2 forms in 7 verses
Form Translated As     In Verse(s)
ἔντρομοσ Terrified Acts.7.32Acts.16.29
trembling Heb.12.21
έντρομοσ trembling LXX.Ezra.9.4LXX.Ps.18.7LXX.Ps.77.18LXX.Dan.10.11

Abbott-Smith

ἔν-τρομος, -ον [in LXX: Da TH 10:11 (רָעַד hi.); ἔ. γίγνεσθαι, Ps 17 (18):7* 76 (77):18* (רַעַשׁ), Wi 17:10, I Mac 13:2 * ;]
trembling with fear (Pint.): Ac 7:32 16:29, He 12:21 (ἔκτρ-, WH, mg.).†

Abbott-Smith References

Book Refs
Psalms 18:7* · 77:18*
Daniel 10:11
Acts 7:32 · 16:29
Hebrews 12:21

Liddell-Scott-Jones

ἔντρομος, ον,

trembling, [NT+1st c.BC+]

LSJ Scripture Refs: LXX.Ps.17.8*Acts.7.32