procidentia
/ˌprɒsɪˈdɛnʃ(ɪ)ə/ /ˌprəʊsɪˈdɛnʃ(ɪ)ə/Surgery
noun
Prolapse of an organ, specifically of the rectum (more fully †procidentia ani, procidentia recti) or uterus (more fully procidentia uteri); an instance of this.
Origin
Mid 16th century; earliest use found in Thomas Blundeville (fl. 1561), author and translator. From classical Latin prōcidentia displacement of an organ of the body, prolapse (Pliny) from prōcident-, prōcidēns, present participle of prōcidere to fall forward + -ia.