Crossword Genius

Labour fanatic? (10)

Ross

I believe the answer is:

workaholic

I'm a little stuck... Click here to teach me more about this clue!

But I can't explain it at all! Could you help me understand?

(Other definitions for workaholic that I've seen before include "Compulsive toiler" , "Someone compulsively doing long hours" , "One always at desk" , "Devoted toiler" .)

I've seen this clue in The Telegraph.
Want a hint initially instead of a full solution? Install my app