use of "en"

[bluepapillon]

could you please tell me when you have to put "en" before or after a word ?
for example : to be able to / enable to

does it exist a particular grammar rule ?

I look forward to hearing from you.

Kind regards

 

[BobK]

The 'en-' prefix makes it into an empowering word; after John enables Jane to do something, she is able [=enabled] to do it.

b