3 ms·double -> treble? Only reasoning I can think of. Why do we use double? Who knows.by 946789987649 10y agodouble -> treble? Only reasoning I can think of. Why do we use double? Who knows.zeristor 10y agotrouble was already takenQwertious 10y agoAt a guess, it was probably "duo-ble" originally, but the pronunciation eroded from "due-wobble" to "dubbel" over time.