The French stable worker makes space (7)
I believe the answer is:
legroom
'space' is the definition.
(I've seen this before)
'the french stable worker' is the wordplay.
'the french' becomes 'le'.
'stable worker' becomes 'groom' (groom is a kind of worker. I am not sure about the 'stable' bit.**).
'le'+'groom'='LEGROOM'
'makes' is the link.
Can you help me to learn more?
(Other definitions for legroom that I've seen before include "Space between seat rows" , "Space in front of a seat" , "Space to stretch for seated person" , "Space often lacking on a plane!" , "Space needed to avoid cramped position" .)