ἔκφοβοςékphobos
GreekG16302 occurrences (KJV)
frightened out of one's wits
KJV renders it: sore afraid, exceedingly fear
Where it appears
Lexical data: Strong’s Hebrew & Greek Dictionaries (1890, public domain; openscriptures, CC-BY-SA). Word tagging from the Strong’s-numbered KJV.