Answer:

dup

Answer	Crossword Clue
DUP	Clone: Abbr.
DUP	Xeroxed ms., e.g.
DUP	Not an orig.

DUP	Copy: Abbr.
DUP	Exact repro.
DUP	Short copy?

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.