Has an appreciation for what goes into port and its make up?
I believe the answer is:
eyeliner
'has an' is the definition.
The definition suggests a singular noun which matches the answer.
'appreciation for what goes into port and its make up?' is the wordplay.
I cannot really understand how this works, but
'into' could be 'in' and 'in' is present in the answer.
'port' could be 'l' (abbreviation for L - 'port' is 'left' on a boat) and 'l' is found within the answer.
This may be the basis of the clue (or it may be nonsense).
Can you help me to learn more?
(Other definitions for eyeliner that I've seen before include "it draws attention to the viewer" , "Item of 25dn" , "Type of make-up" , "Make-up item" , "Cosmetic pencil" .)