Strong’s Greek
G5146 — tribolos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
τρίβολος
tribolos — pronounced trib'-ol-os
from 5140 and 956; properly, a crow-foot (three-pronged obstruction in war), i.e. (by analogy) a thorny plant (caltrop):--brier, thistle. see GREEK for 5140 see GREEK for 956
2 occurrences in the KJV.
Matthew 7:16
Ye shall know them by their fruits. Do men gather grapes of thorns, or figs of thistles?
Hebrews 6:8
But that which beareth thorns and briers is rejected, and is nigh unto cursing; whose end is to be burned.