duplation

[ doo-pley-shuhn, dyoo- ]

noun

1. multiplication by two; doubling.

Word History and Origins

Origin of duplation¹

1375–1425; late Middle English < Latin duplātiōn-, stem of duplātiō a doubling, equivalent to duplāt ( us ) ( dupl ( us ) duple + -ātus -ate ¹ ) + -iōn- -ion