Safe Tory seats stink (5)

I believe the answer is:

fetor

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

'stink' is the definition.
(I know that stink can be written as fetor)

'safe tory seats' is the wordplay.
'FETOR' is hidden in amongst the letters.
But, I'm unsure how this is indicated.

Can you help me to learn more?

(Other definitions for fetor that I've seen before include "stink" , "Strong hum" .)

I've seen this clue in The Independent.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.