abscess
n.a painful, swollen area on the skin or inside the body that is filled with pus. It usually happens when an infection gets trapped under the skin.
n.a localized collection of pus that has become encapsulated within the tissues of the body. Often results from a bacterial infection that is contained by the body's immune response.
“The doctor drained the abscess to help him feel better.”
“A small abscess appeared on his leg after he cut himself while gardening with rusty tools.”
“The surgeon performed a minor procedure to excise the abscess, ensuring that the surrounding healthy tissue was not damaged during the extraction.”
From Latin abscessus (“a going away; gathering of humors, abscess”), from abscēdō (“go away, depart”), from abs (“away from”) + cēdō (“go”). See cede.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.