Through (3)
'through' is the definition.
(via means going through)
This is all the clue.
(Other definitions for via that I've seen before include "Going through" , "Passing through" , "A Roman way" , "By means of" , "By way of - in Latin" .)
'through' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for per that I've seen before include "Preposition indicating by means of" , "Preposition meaning for each" , "According to" , "For each or every" .)