Teaching English with Latin could upset learners leaving (9)
I believe the answer is:
education
'teaching' is the definition.
(I know that teaching can be written as education)
I cannot understand how the rest of the clue works.
Can you help me to learn more?
(Other definitions for education that I've seen before include "Schooling, instruction" , "A tonic due (anag.)" , "School's responsibility" , "studies" , "Teaching process" .)