Go up to the French peers amorously (5)
I believe the answer is:
ogles
'peers amorously' is the definition.
The definition and answer can be both to do with perception as well as being verbs in their -s form.
Perhaps they are linked in a way I don't understand?
'go up to the french' is the wordplay.
'up' says the letters should be written backwards (in down clue: letters go upwards).
'to the french' becomes 'les' (plural form of 'the' in French).
'go' in reverse letter order is 'og'.
'og'+'les'='OGLES'
Can you help me to learn more?
(Other definitions for ogles that I've seen before include "Looks at (someone) lecherously" , "Looks at amorously, makes eyes at" , "Casts amorous glances" , "Leers" , "Looks longingly at" .)