Etymology
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pogrom (n.)

"organized massacre in Russia against a particular class or people, especially the Jews," 1882, from Yiddish pogrom, from Russian pogromu "devastation, destruction," from po- "by, through, behind, after" (cognate with Latin post-; see post-) + gromu "thunder, roar," from PIE imitative root *ghrem- (see grim).

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Kristallnacht (n.)
in reference to the pogrom of Nov. 9-10, 1938, in Germany and Austria; from German, literally "crystal night;" often translated as "Night of Broken Glass." See crystal (n.) + night (n.).
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