Aviation prefix for dynamic (4)

I believe the answer is:

aero

'aviation prefix for dynamic' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for aero that I've seen before include "Prefix denoting air" , "Prefix meaning air or aircraft" , "bar" .)

I've seen this clue in the Newsday.com and the Newsday.

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