noun / verb
hemorrhage
HEM-rij/ˈhɛmrɪdʒ/
An uncontrolled major escape of blood from vessels.
The ruptured vessel causes a hemorrhage into the surrounding tissue.

Etymology
“Blood” and “breaking” give the image of blood bursting out. The Greek formation meant “bleeding violently,” directly connecting that image to heavy bleeding from a ruptured vessel.
In context
significant bleeding in the first 24 hours after delivery is called primary postpartum Hemorrhage and after that it's called secondary or late postpartum hemorrhage
More examples
- An internal hemorrhage may occur without any visible bleeding.
- Damaged blood vessels can hemorrhage after a serious injury.
- The company continues to hemorrhage money as sales fall.
Forms
hemorrhage · hemorrhages · hemorrhaged · hemorrhaging
hemorrhagic adjective — Involving or caused by severe bleeding.
Similar words
- bleeding
- Bleeding can be minor; hemorrhage involves major blood loss.