different between decoct vs decoit

English

From Latin decoqu? (“I boil down”), from de- + coqu? (“I cook”).

decoct (third-person singular simple present decocts, present participle decocting, simple past and past participle decocted)

(cooking) To make an infusion.
(cooking) To reduce, or concentrate by boiling down.
- 1831, Letitia Elizabeth Landon, Romance and Reality, Volume 2, page 54
  Her ambition had hitherto been confined to being the best of wives,—so she scolded the servants—opened no book but her book of receipts—made soup without meat—decocted cowslips, parsneps, currants, and gooseberries, which, if not good wine, were very tolerable vinegar
(figuratively) To heat as if by boiling.
(figuratively) To reduce or diminish.
To digest in the stomach.
(transitive) To devise.

decoit (plural decoits)

Send