English
pyonephrosis
From pyo- + nephrosis.
Today it means
noun An infection of the renal collecting system, in which pus collects in the renal pelvis and causes distension of the kidney.
Sources
Sources: Wiktionary, “pyonephrosis”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / pyonephrosis