What rotor-driven aircraft gets its English name by combining Greek roots meaning "spiral" or "screw" and "wing," coined by French inventor Gustave de Ponton d'Amécourt for his experimental 1861 rotary-wing model?
Ten clues, one 10-letter answer built one row at a time. Play today’s Origins Quiz.
This is an archive puzzle — sign in to play it. Not sure about signing up? Check out today’s puzzle as a guest.