grossus

In the thirteenth century the shilling (equal to 12 pence) was first coined at Tours; in contradistinction to the denier, which at that time had become very thin, it was called nummus grossus

The Catholic Encyclopedia, Volume 11: New Mexico-Philip 1840-1916 1913

The tournois spread rapidly through France and along the Rhine, and led to the minting of a similar coin at Prague (the grossus pragensis, or Prager Groschen), which in its turn was imitated in many countries.

The Catholic Encyclopedia, Volume 11: New Mexico-Philip 1840-1916 1913

[2] The grossus, English groat, German Groschen, was a coin which varied considerably in value.

The Age of the Reformation Preserved Smith 1910

(thick coin), and, from the name of the place where it was first coined, grossus turonensis, or gros tournois.

The Catholic Encyclopedia, Volume 11: New Mexico-Philip 1840-1916 1913