Come to pass officer commanding dog (5)

I believe the answer is:

occur

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'come to pass' is the definition.
(synonyms)

'officer commanding dog' is the wordplay.
'officer' becomes 'oc' (I've seen this in other clues).
'commanding dog' becomes 'cur' (both can mean a despicable person. I am not sure about the 'commanding' bit.).
'oc'+'cur'='OCCUR'

Can you help me to learn more?

(Other definitions for occur that I've seen before include "Happen, take place" , "crop up" , "Spring to mind" , "Go on" , "Happen, transpire" .)

I've seen this clue in The Sun.

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