"make a bubbling sound, bubble, gush," c. 1300, imitative (compare unrelated Spanish borbollar, Old French borboter "to bubble, gush," Greek borboryzein "to rumble"). Related: Burbled; burbling.
buoy
buoyance
buoyancy
buoyant
bur
burble
burd
burden
burdensome
burdock
burdon
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