concoct

Etymology 1

From Latin concoquō (“boil, prepare, digest”) (influenced by the participle concoctus), from con- (“together”) + coquō (“cook”).

verb

1. To prepare something by mixing various ingredients, especially to prepare food for cooking.
   to concoct a potion
   to concoct a new dish
   Pecan shells make good fuel, and they are used by leather tanners to concoct their foul-smelling compounds, and sometimes we mix them with charcoal in hand-soap to make a really good scrubbing agent 2007, Cecilia Dart-Thornton, The Well of Tears: Book Two of The Crowthistle Chronicles, Tor Books
   The twelve include Jill (she used to be a chicken-and-potatoes girl, but now she's willing to try whatever I concoct), […] 2014, Lisa Howard, Healthier Gluten-Free, MA: Fair Winds Press, page 171
2. (figurative) To contrive something using skill or ingenuity.
   to concoct a cunning plan
   He had two beautiful daughters who fell in love with men he approved of and he wanted to give them the most lavish double wedding he could concoct. 2005, Jean Ferris, Into the Wind: Part One, iUniverse, page 161
3. (obsolete) To digest.
   For the parts of an Embryo are nourished and encreased before it hath a Stomach to concoct any thing, and yet in a perfect Fœtus none can deny that the Stomach does concoct […] 1703, Thomas Gibson, The Anatomy of Humane Bodies Epitomized, page 297

noun

1. (rare, nonstandard) A concoction.
   I don't suppose these creatures are the concoct of your mind?" La Tour said. "If they're real, then Nature there is warped, no doubt by oppressive dampness and heat." 2006, Wendel Messer, The Conquest of Canada: A Novel of Discovery, Gravenhurst, O.N.: Breller Books, page 27

Etymology 2

Borrowed from Latin concoctus, perfect passive participle of Latin concoquō (compare Etymology 1).

adj

1. (obsolete) Digested or affected by heat.