Crossword Genius

Bring up doctor to border (6)

Ross

I believe the answer is:

dredge

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'bring up' is the definition.
Although both the answer and definition are verbs in their base form, I cannot see how one could define the other.

'doctor to border' is the wordplay.
'doctor' becomes 'dr' (abbreviation).
'to border' becomes 'edge' (synonyms).
'dr'+'edge'='DREDGE'

Can you help me to learn more?

(Other definitions for dredge that I've seen before include "Deepen a waterway" , "Remove mud from a riverbed" , "dragnet" , "Sprinkle, deepen" , "Clear (riverbed)" .)

I've seen this clue in The Mirror.
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