suppurate
verb [intransitive] (formal)(of a cut, wound, etc. 伤口等 to produce a thick yellow liquid (called pus) because of infection 化脓 His skin was covered in suppurating sores. 他的皮肤布满了化脓的疮。
Word Originlate Middle English (in the sense ‘cause to form pus’): based on Latin sub- ‘below’ + pus, pur- ‘pus’.