quintuple

/kwɪnˈtʃuːp(ə)l/

Etymology

From Middle French quintuple, from Latin quīntuplus, from quīntus (“fifth”) + -plus (“-ple”).

adj

having five parts or members
five times as much
having five crotchets in a bar

noun

a fivefold amount

verb

To multiply by five.
To be multiplied by five.