Sentence:  She works at St. Veronica's hospital, lives nearby at the home of a Mrs. Quoad, a lady widowed long ago and since suffering a series of antiquated diseases—greensickness, <WSD>tetter</WSD>, kibes, purples, imposthumes and almonds in the ears, most recently a touch of scurvy. 
Meaning of the word marked with <WSD> tags:  Any of various pustular skin conditions.