baldachin
Concise Oxford English Dictionary © 2008 Oxford University Press:
baldachin /ˈbaldəkɪn, ˈbɔːld-/ (also baldaquin /ˈbɔːldəkɪn/)
▶noun a ceremonial canopy over an altar, throne, or doorway.
– origin C16 (denoting a rich brocade): from Ital. baldacchino, from Baldacco ‘Baghdad’, from where the brocade originated.
'baldachin' also found in these Oxford entries:

