vitri-

Varuna and the demon Vitri both derive their names from var, vri, to cover, to enfold.

There is an alternative reading, vitri for nitri; but I am still unable to understand the author's meaning.

Bassompierre is a tattler; I expect to do nothing with the Marechal de Vitri but by your means.

The allies having laid bridges over the scarp, the duke of Marlborough with his division passed the river and encamped at Vitri.