Crossword Genius

Food for a dog going by railway (5)

Ross

I believe the answer is:

curry

'food' is the definition.
(curry is a kind of food)

'a dog going by railway' is the wordplay.
'a dog' becomes 'cur' (cur is a kind of dog).
'going by' is a charade indicator (letters next to each other).
'railway' becomes 'ry' (abbreviation for railway).
'cur'+'ry'='CURRY'

'for' acts as a link.

(Other definitions for curry that I've seen before include "Highly spiced dish" , "Korma, for example" , "Hot spicy dish" , "Vindaloo, for example" , "Pungent Indian dish" .)

I've seen this clue in the Evening Standard.
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