Strong’s Greek
G1714 — empretho
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἐμπίπρημι
empretho — pronounced em-pray'-tho
from 1722 and pretho (to blow a flame); to enkindle, i.e. set on fire:--burn up. see GREEK for 1722
1 occurrence in the KJV.
Matthew 22:7
But when the king heard thereof, he was wroth: and he sent forth his armies, and destroyed those murderers, and burned up their city.