I'm leaving food and water (8)
I believe the answer is:
farewell
'i'm' is the definition.
I can't tell whether this defines the answer.
'food and water' is the wordplay.
'food' becomes 'fare' (fare is a kind of food).
'and' says to put letters next to each other.
'water' becomes 'well' (well water is a kind of water).
'fare'+'well'='FAREWELL'
'leaving' acts as a link.
Can you help me to learn more?
(Other definitions for farewell that I've seen before include "Departure" , "symphony" , "Say goodbye" , "Wish on leave-taking" , "Goodbye, hope you get on" .)