Couple I came across going the other way (4)
I believe the answer is:
item
'couple i' is the definition.
'item' can be an answer for 'couple' (a romantic couple are 'an item'). I'm unsure of the 'i' bit.
'came across going the other way' is the wordplay.
'came' becomes 'met' (meeting is a kind of coming).
'across going' becomes 'i' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'the other way' shows that the letters should be reversed in order.
'met'+'i'='meti'
'meti' backwards is 'ITEM'.
Can you help me to learn more?
(Other definitions for item that I've seen before include "Individual thing" , "One thing on a list" , "One of a series (or a couple!)" , "point" , "Object, detail" .)