English leader can enter French road with escort (7)
I believe the answer is:
retinue
'escort' is the definition.
(thesaurus)
'english leader can enter french road' is the wordplay.
'leader' suggests taking the first letters.
'can' becomes 'tin' ('tin' can be a synonym of 'can').
'enter' indicates putting letters inside.
'french road' becomes 'rue'.
The initial letter of 'english' is 'e'.
'e'+'tin'='etin'
'etin' put into 'rue' is 'RETINUE'.
'with' acts as a link.
(Other definitions for retinue that I've seen before include "Group of attendants for VIP" , "Reunite (anag) - group of servants" , "VIP's attendants" , "Group of assistants" , "Suite - train" .)