Strong's #174: akanthinos (pronounced ak-an'-thee-nos)
from 173; thorny:--of thorns.
Thayer's Greek Lexicon:
̓́
akanthinos
1) thorny, woven out of twigs of a thorny plant
Part of Speech: adjective
Relation: from G173
Usage:
This word is used 2 times:
Mark 15:17: "purple, and plaited a crown of thorns, and put it about his"
John 19:5: "wearing the crown of thorns, and the purple robe."