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Latin word dis- comes from Proto-Indo-European *dwó, and later Proto-Indo-European *dwi- (Apart, asunder. Two.)
*dwó (Proto-Indo-European)
*dwi- (Proto-Indo-European)
Apart, asunder. Two.
*dwís (Proto-Indo-European)
In two. Twice, doubly.
dis- (Latin)
Asunder, apart, in two. Reversal, removal. Utterly, exceedingly.