Decorative or structural work made with a pattern of alternating colors or materials, especially in masonry, inlay, or textile design.
From 'chequer' and 'work' (a composition or creation). Emerged in Middle English to describe the craft tradition of creating patterned surfaces in various trades.
Medieval chequerwork in church floors and walls was as much about showing off mathematical knowledge as beauty—proving you could plan and execute complex patterns!
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