Crossword Genius

Long and difficult trip (4)

Ross

I believe the answer is:

'long and difficult trip' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for trek that I've seen before include "Long difficult walk" , "A long arduous march" , "Long and difficult trip" , "Long hard journey on foot" , "A long hard march" .)

I've seen this clue in The Irish Times.
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