Where does “katarsis” come from?

katarsis (Finnish) comes from English catharsis, from Ancient Greek κάθαρσις, from Ancient Greek -σῐς, from Ancient Greek -τις, from Proto-Indo-European -tis — Derives abstract/action nouns from verb roots.

katarsis (Finnish): catharsis

Definitions

catharsis

Ancestry of “katarsis”, step by step

Step	Language	Word	Meaning
1	English	catharsis	A release of emotional tension after an...
2	Ancient Greek	κάθαρσις	cleansing, purification; clarification,...
3	Ancient Greek	-σῐς	"suffix forming nouns"
4	Ancient Greek	-τις	retained after dentals
5	Proto-Indo-European	-tis	Derives abstract/action nouns from verb roots

Words derived from “katarsis”

katharsis

Every word from Proto-Indo-European -tis →Every word from Ancient Greek -σῐς →Every word from Ancient Greek -τις →