a painting, especially a religious one, with two wooden panels that can be closed like a book Topics Artc2(尤指宗教的)对折画,双联画 Word Originearly 17th cent.: via late Latin from late Greek diptukha ‘pair of writing tablets’, neuter plural of Greek diptukhos ‘folded in two’, from di- ‘twice’ + ptukhē ‘a fold’.