how significant it is that in the Indo-European languages, as Darmsteter has pointed out, the root meaning “two” should connote badness. The Greek prefix dys- (as in dyspepsia) and the Latin dis- (as in dishonorable) are both derived from “duo.” The cognate bis- gives a pejorative sense to such modern French words as bévue (“blunder,” literally “two-sight”). Traces of that “second which leads you astray” can be found in “dubious,” “doubt” and Zweifel—for to doubt is to be double-minded. Bunyan has his Mr. Facing-both-ways, and modern American slang its “two-timers.” Obscurely and unconsciously
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