In central Crimea, expat's sortie creates supply (6)

I believe the answer is:

impart

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'supply' is the definition.
The definition and answer can be both to do with communicating as well as being verbs in their base form.
Maybe there's a link between them I don't understand?

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for impart that I've seen before include "Divulge, pass on" , "Transmit" , "Armpit (anag)" , "Make known, relate" , "Communicate (information)" .)

I've seen this clue in The Guardian.

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