Labor
'labor' is the definition.
(I know that labor can be written as travail)
This is the entire clue.
(Other definitions for travail that I've seen before include "Old word for pangs of childbirth" , "Exertion, elbow grease" , "painful exercise" , "Painful labour" , "Hard labour" .)
'labor' is the definition.
(I know this)
This is all the clue.
(Other definitions for work that I've seen before include "Function; have a job" , "Monotonous song" , "Occupation" , "Labour" , "Toil" .)