catharsis

plural catharses · alternative archaic katharsis

1. countableuncountablebroadcastingA release of emotional tension after an overwhelming vicarious experience, resulting in the purging or purification of the emotions, as through watching a dramatic production (especially a tragedy).

   True, as the show has entered its later years, there have been more inspired moments of catharsis, but fewer unpredictable arcs and story beats, as a narrative nearing its conclusion is no longer attempting to shock.

   2019 April 14, Alex McLevy, “Winter is Here on Game of Thrones’ Final Season Premiere (Newbies)”, in The A.V. Club, archived from the original on 18 Dec 2020

2. countableuncountableAny release of emotional tension to the same effect, more widely.
3. countableuncountableA purification or cleansing, especially emotional.
4. countableuncountablehuman sciencesA therapeutic technique to relieve tension by reestablishing the association of an emotion with the memory or idea of the event that first caused it, and then eliminating it by complete expression (called the abreaction).
5. countableuncountablemedicineA purging of the digestive system.

   Saline catharses deplete the system of body fluids and are particularly harmful in pregnancy.

   1926, G.P. Engelhard & Company (publisher), “News of The Medical World”, in The Medical Standard, volume 49, page 44