Where does “Lachesis” come from?

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

Lachesis (English): The venom of "Lachesis muta", the bushmaster...

Definitions

The venom of "Lachesis muta", the bushmaster...

Ancestry of “Lachesis”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	Λάχεσις	Lachesis, one of the three Fates
2	Ancient Greek	-σῐς	"suffix forming nouns"
3	Ancient Greek	-τις	retained after dentals
4	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 →