Strong's G1630 — ἔκφοβος (adjective)
ekphobos (ek'-fob-os) adj.
1. frightened out of one's wits
[from G1537 and G5401]
KJV: sore afraid, exceedingly fear 
Root(s): G1537, G5401 
Hebrew root: φόβος
Occurrences: 2