Crossword Genius

Puppy feeder perhaps in principle? (5)

Ross

I believe the answer is:

dogma

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'principle?' is the definition.
(I know that dogma is a type of principle)

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for dogma that I've seen before include "Belief, precept" , "Code of beliefs accepted as authoritative" , "Body of creed" , "Firm doctrine" , "Inflexible principle" .)

I've seen this clue in The Times.
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