Words that come from Proto-Indo-European “dʰgʷʰey-”
91 words across 33 languages descend from Proto-Indo-European dʰgʷʰey- — including phthisis, phthisical, phthisic, phthisicky, myelophthisic, myelophthisis, tisic, phthisiology.
See the etymology of dʰgʷʰey- itself →