Hard green fruit supplied without trouble or chaos (5)
I believe the answer is:
havoc
'chaos' is the definition.
(I've seen this in another clue)
I can't explain the remainder of the clue.
Can you help me to learn more?
(Other definitions for havoc that I've seen before include "Chaos and destruction" , "Chaos, confusion" , "Disaster" , "Great confusion" , "Violent and needless disturbance" .)