maw-gut

Etymology
From.

Noun

 * 1)  duodenum
 * 2) * 1720: Edward Phillips (author) and John Kerſey (editor), The New World of Words : or, Univerſal Engliſh Dictionary, PU–PY (7th edition):
 * Pylorus, the Keeper of a Gate, a Porter. In Anatomy, the lower Orifice or Mouth of the Stomach, by which the Meat is let into the Entrails, the Maw-gut : It is alſo call’d Janitor in Latin.