facsimile (n.)

"exact copy," 1690s, two words, from Latin fac simile "make similar," from fac imperative of facere "to make" (from PIE root *dhe- "to set, put") + simile, neuter of similis "like, resembling, of the same kind" (see similar). One-word form predominated in 20c. As an adjective from 1877