Crossword Genius

Pettish command doggedly obeyed? (3)

Ross

I believe the answer is:

sit

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

'pettish command' is the definition.
The answer and definition can be both to do with social activities as well as being verbs in their base form.
Maybe there's an association between them I don't understand?

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for sit that I've seen before include "To take the test" , "Model" , "Be seated" , "Take a pew, an exam" , "(Of bird) stay on nest" .)

I've seen this clue in the Evening Standard.
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