pyorrheaWiktionary 原文英美构词拆解pyopyo-前缀‘pus’rrhea-rrhea后缀‘flow’pyo-(medicine) pus-rrhea(American spelling) flowing.词源说明From pyo- (“pus”) + -rrhea (“flow”).释义名词noun1An inflammation of the gums in which the teeth become loose; chronic periodontitis.2A discharge of pus.同族词派生词 2