Grain from the paddy field (4)
I believe the answer is:
rice
'grain from the paddy field' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for rice that I've seen before include "Grain from the paddy field" , "Basmati, for example" , "Cereal food" , "Paddy field crop" , "Grains used as food" .)