The story
From pancreatico- + jejuno- + -stomy or pancreatico- + jejun- + -ostomy or pancreatico- + jejunostomy.
Etymology from Wiktionary, CC BY-SA 4.0.
pancreaticojejunostomy
Today it means: A surgical procedure in which the pancreas is joined to the jejunum to allow pancreatic juices to drain into the small intestine. Full definition →