abbreviature

noun4

1. •
   An abridgment; a compendium; an abstract.

   • This is an excellent abbreviature of the whole duty of a Christian. — 1667
2. •
   A shortened form of a word or phrase, used in place of the whole; an abbreviation.

   • The hand of PROVIDENCE writes often by abbreviatures, hieroglyphicks or short characters […] — 1716
3. •
   (no longer used) An abbreviated state or form.
4. •
   (no longer used) The process of abbreviating.