The plural of duplicate; exact copies of something that is already made.
From Latin 'duplicatus' (doubled), derived from 'duplex' (twofold, double). 'Duplex' comes from 'duo' (two) and 'plicare' (to fold).
The word 'duplicate' literally means 'to fold double'—it comes from Latin roots 'duo' (two) and 'plicare' (to fold), the same roots that give us 'complex' and 'accomplish!'
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