Bolt

Chamber's Etymological of the English Language · 1895 · p. 58
bolt, v.t. to sift, to separate the bran from, as flour: to examine by sifting to sift through coarse cloth. [O Fr bulter, or buleter ~ burster fiom Sure— Low L hurra, a coarse reddish brown cloth— Gi. pyrros, reddish—pyr = Fire.] Bolting-hutch, bfilt'ing-huch, n a hutch or large box into which floui fills when is boiled Bolt-Upright, bOlt'-up-rlt', adv upright and straight as a bolt or arrow. Bolus, ImYIus, n a rounded ma of anything a large |L. bolus, Gr. bolos, a lump).] Bomb, bum, «. a hollow shell of iron tilled with gunpowder, and discharged from a moitar. so as to explode when falls. [Fr bombe— L. boinbus Gr bombos a humming sound an imitative word.]
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