Covered or furnished with a counterpane; decorated with quilted or embroidered patterns like a counterpane.
From counterpane + -ed (past participle or adjectival suffix). Adding the -ed suffix transforms the noun into an adjective describing something that has a counterpane or counterpane-like qualities.
In Victorian literature, descriptions of 'counterpaned beds' were shorthand for wealth and respectability—the more elaborate and ornate the counterpane, the higher the social status of the household.
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