PRIMEMOVER
Set to 2 different clues across 2 published puzzles, most often “Initial power source” — The New York Times, Monday, 25 February 2008.
10 letters
Every clue on record, most used first
- Initial power sourceonce
The New York Times — Monday, 25 February 2008
- A-number-1once
The New York Times — Sunday, 2 March 2003