"small item of ornamental jewelry," 1660s, from French bijou, which according to OED is probably from Breton bizou "(jeweled) ring," from bez "finger" (compare Cornish bisou "finger-ring," 13c.). Related: Bijouterie.
bigot
bigoted
bigotry
big-tent
bigwig
bijou
bike
biker
bikini
bilabial
bilateral
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