Crossword Genius

By way of, in itineraries (3)

Ross

I believe the answer is:

via

'by way of in itineraries' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for via that I've seen before include "Roman road" , "Going through" , "A Roman way" , "By means of" , "Passing through" .)

I've seen this clue in the LA Times.
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