Origin of repro
First recorded in 1945–50; by shortening
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Related Words for reproimpression, likeness, clone, miniature, facsimile, imitation, reproduction, model, copy, picture, photograph, replication, photocopy, recreation, propagation, replica, print, breeding, duplication, imitate
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for repro
1946 as a shortening of reproduction.
Online Etymology Dictionary, © 2010 Douglas Harper