This week's word is phthisic from Little, Big by John Crowley, page 24.
phthisis is a noun meaning any wasting disease, as tuberculosis of the lungs.
phthisic the adjective form of the word.
The word comes from Latin which came from Greek, meaning a decay, which came from phthiein, meaning to waste away.
(From Webster's New World Dictionary, Third College Edition)
My sentence: His phthisic appearance made me think that he had not much longer to live.
What is your sentence?