Gros, fem. grosse, is Anglo-Norman for big.
Teste is Anglo-Norman for head.
Robert Grosseteste (1168 - 1253), a member of the then Catholic english clergy, made aninteresting, if historically rather indirect contribution to Astronomy: You might say he invented the telescope. See
here.
Quote:
|
In De Natura Locorum he gives a diagram which shows light being refracted by a spherical glass container full of water.
|
To say that this was "§an instrument astronomers are
occasionally known to make use of" would be, of course, pure Eroican hypobole....