copy in

copy in

vb
(tr, adverb) to send someone a copy of an email or letter being sent to another person
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in classic literature ?
"I worked on it many months, and it is the only copy in the world.
Just copy in the normal way up to nine times then, instead of typing Shift+Ins or Ctrl+V, paste using Ctrl+1 for the first clip and Ctrl+2 for the second Etc.
So, when you are just printing proof copies, you may only want a quick copy in black ink.