What did Giovanni Schiaparelli originally call the linear features he observed on Mars in 1877?

Answer

canali

Schiaparelli used the Italian word *canali*, which most accurately translates to 'channels' or 'grooves,' intending to describe natural depressions or geological structures.

What did Giovanni Schiaparelli originally call the linear features he observed on Mars in 1877?
MarsastronomyobservationplanetCanal