Strong’s Greek
G4426 — pturo
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
πτύρω
pturo — pronounced ptoo'-ro
from a presumed derivative of 4429 (and thus akin to 4422); to frighten:--terrify. see GREEK for 4429 see GREEK for 4422
1 occurrence in the KJV.
Philippians 1:28
And in nothing terrified by your adversaries: which is to them an evident token of perdition, but to you of salvation, and that of God.