Strong's #1790: entromos (pronounced en'-trom-os)
from 1722 and 5156; terrified:--X quake, X trembled.
Thayer's Greek Lexicon:
̓́
entromos
1) trembling, terrified
Part of Speech: adjective
Relation: from G1722 and G5156
Usage:
This word is used 3 times:
Acts 7:32: "of Jacob. Then Moses trembled, and durst not behold."
Acts 16:29: "and sprang in, and came trembling, and fell down before Paul and Silas,"
Hebrews 12:21: "said, I exceedingly fear and quake:)"