trittico betyder på engelska

retable▼(table or shelf behind an altar)
noun
[UK: ˈrɛtəbl ] [US: ˈrɛtəbl ]

triptych [triptychs]▼(art: a picture or series of pictures painted on three tablets connected by hinges)
noun
[UK: ˈtrɪp.tɪk] [US: ˈtrɪp.tɪk]