Vitrum is a 6 letter English word.
You can make 80 anagrams from letters in vitrum (imrtuv).
Borrowed into English from Latin around 1650-60
Gleini nadroedd (possibly amulets) and vitrum have been found here.
The vitrum ceratum antimonii proved often too rough a Medicine, and therefore we laid it almost entirely aside.
It is supposed that woad was "vitrum" the dye with which Caesar said almost all the Britons stained their bodies.
Window panes of glass (vitrum) mica plates (lapis specularis) and similar materials were by no means rare in ancient times.