Encourage son in Delhi to cycle (4)
I believe the answer is:
abet
'encourage' is the definition.
(I've seen this before)
I cannot understand how the rest of the clue works.
Can you help me to learn more?
(Other definitions for abet that I've seen before include "Urge on, help" , "helpful" , "Aid and help, perhaps in crime" , "support wrongdoing" , "Assist (a criminal)" .)