The food for summer's end, something cold (4)
I believe the answer is:
rice
'the food' is the definition.
(rice is a kind of food)
'summer's end something cold' is the wordplay.
'end' suggests the final letters.
'something cold' becomes 'ice'.
The last letter of 'summer' is 'r'.
'r'+'ice'='RICE'
'for' is the link.
(Other definitions for rice that I've seen before include "Cereal food" , "Cereal grain" , "Staple food -- English lyricist, b. 1944" , "Basmati, for example" , "Grain from the paddy field" .)