retable

 
Pronunciation: /rɪˈteɪb(ə)l/
(also retablo /rɪˈtɑːbləʊ/)

noun (plural retables or retablos)

  • a frame or shelf enclosing decorated panels or revered objects above and behind an altar.
  • a painting or other image above and behind an altar: the retable of St Vincent

Origin:

early 19th century: from French rétable, from Spanish retablo, from medieval Latin retrotabulum 'rear table', from Latin retro 'backwards' + tabula 'table'