narco-
/ˈnɑːkəʊ/combining form
1- relating to a state of insensibility表示“无知觉的”, “昏迷的”, “昏蒙的”：
narcolepsy.
1.1
- relating to narcotic drugs or their use表示“麻醉剂的”, “采用麻醉剂的”：
narcoterrorism.
词源
from Greek narkē 'numbness'.