medical Latin word-forming element used in naming diseases, from Greek -asis, abstract noun suffix (often expressing "disease, morbid condition") from the aorist of verbs in -aein. The -i- is connective.
Entries linking to -iasis
nephrolithiasis n.
"the formation of kidney stones," 1837, probably from German, from nephro- "kidney" + lithos "stone" (see litho-) + -iasis "pathological or morbid condition."
trichomoniasis n.
1915, with -iasis + trichomonas, genus of a family of flagellate parasites, from tricho-, Latinized form of Greek trikho-, combining form of thrix (genitive trikhos) "hair" + -monas.