On Demonia (Earth's twin planet on which VN's novel Ada, 1969, is set) Paris is also known as Lute:
In 1885, having completed his prep-school education, he went up to Chose University in England, where his fathers had gone, and traveled from time to time to London or Lute (as prosperous but not overrefined British colonials called that lovely pearl-gray sad city on the other side of the Channel). (1.28)
Darkbloom ('Notes to Ada'): Lute: from ‘Lutèce’, ancient name of Paris.