Morpheme
-sis
Type
suffix
Denotation
noun suffix denoting an action, process, or result
Etymology
Ancient Greek -sĭs
Evidence
anacatharsis, catharsis, katharsis
Notes
foundation of -asis, -esis, -iesis, -isis, and -osis
See Also
-ses, -asis, -esis, -iesis, -isis, -osis