Where does “ascese” come from?

ascese (Dutch) comes from Latin ascēsis, from Ancient Greek ἄσκησις, from Ancient Greek -σῐς, from Ancient Greek -τις, from Proto-Indo-European -tis — Derives abstract/action nouns from verb roots.

ascese (Dutch): asceticism

Definitions

asceticism

Ancestry of “ascese”, step by step

Step	Language	Word	Meaning
1	Latin	ascēsis	—
2	Ancient Greek	ἄσκησις	exercise, training, practice
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

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