Jerk following a tenor into room (5)
I believe the answer is:
attic
'room' is the definition.
(type of room)
'jerk following a tenor' is the wordplay.
'jerk' becomes 'tic' (jerking movement by the body).
'following' is a charade indicator (letters next to each other).
'tenor' becomes 't'.
'a'+'t'='at'
'tic' put after 'at' is 'ATTIC'.
'into' is the link.
(Other definitions for attic that I've seen before include "Room at the top of a house" , "Loft room" , "Top storey" , "Athenian Greek" , "where high-ups are found?" .)