Crossword Genius

Often ethics disguise dogma (5)

Ross

I believe the answer is:

tenet

I'm a little stuck... Click here to teach me more about this clue!

'dogma' is the definition.
(synonyms)

'often ethics disguise' is the wordplay.
'TENET' is hidden in amongst the letters.
But, I am uncertain how this is indicated.

Can you help me to learn more?

(Other definitions for tenet that I've seen before include "Fundamental belief" , "A belief or credo - it's a palindrome" , "Teaching" , "Doctrine held to be true" , "Canon" .)

I've seen this clue in the Sydney Morning Herald.
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