abridgement (n.) Look up abridgement at Dictionary.com
early 15c., abreggement, "act of making shorter," also, of writing, "that which has been shortened," from Old French abregement, abrigement "shortening, abbreviation," from abregier "shorten, diminish" (see abridge). Verbal noun abridging is attested from late 14c. (abregging).