Crossword Genius

Airport guesses, for short (4)

Ross

I believe the answer is:

'airport guesses for short' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Other definitions for etas that I've seen before include "Foreign characters" , "lowly workers" , "Characters in Greece" , "Characters from overseas" , "Makarios' letters" .)

I've seen this clue in The New York Times and the LA Times.
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