Covered with ferns; decorated or surrounded by fern plants.
From 'be-' (prefix meaning to cover with) + 'ferned' (from 'fern,' an ancient plant word from Proto-Germanic 'ferniz'). The suffix '-ed' marks it as an adjective describing something covered with ferns.
The word 'beferned' would have been used by Victorian poets to describe the lush, fern-filled gardens that became wildly fashionable in the 1800s—people were so obsessed with ferns they collected them compulsively in a craze called 'pteridomania,' or fern-mania.
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