decuple

adjective

dec·​u·​ple ˈde-kyə-pəl 

1

: tenfold

2

: taken in groups of 10

Word History

Etymology

French décuple, from Middle French, from Late Latin decuplus, from Latin decem ten + -uplus (as in quadruplus quadruple)

First Known Use

1613, in the meaning defined at sense 1