dejecter

noun

1. (obsolete, rare)Something that casts down or diminishes.

   “The Morall mans dejecters likewise three, / Wine, Woman, and the love of Vanitie.”

   “But I found the Errhina or Medicines that purge the Head by the Nostrils […] to be more foolish than these: Likewise solutives or Purgers by Stool, and Bloud-lettings, to be cruel ones; because the dejecters of strength.”

   “This was forty years before tea had been introduced in England, and water was looked upon as a “dejecter of the appetite,” when taken cool and by itself.”