Greek god of wine and fertility (8)
I believe the answer is:
dionysus
'greek god of wine and fertility' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for dionysus that I've seen before include "Greek god of wine and fertility, also known as Bacchus" , "Sins you'd associate with Greek god of wine and fertility" , "Greek god (Bacchus is his Roman equivalent)" , "Greek god of wine and ecstasy" , "Greek god of wine and creativity" .)