Where does “Eufrosyne” come from?

Eufrosyne (Finnish) comes from Ancient Greek εὐφροσύνη, from Ancient Greek -σύνη, from Ancient Greek -συνος, from Proto-Indo-European -tunos, from Proto-Indo-European -nós — Creates verbal adjectives from roots.

Eufrosyne (Finnish): Euphrosyne

Definitions

Euphrosyne

Ancestry of “Eufrosyne”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	εὐφροσύνη	gleefulness
2	Ancient Greek	-σύνη	Forms abstract nouns from adjectives or nouns
3	Ancient Greek	-συνος	—
4	Proto-Indo-European	-tunos	—
5	Proto-Indo-European	-nós	Creates verbal adjectives from roots

Every word from Proto-Indo-European -nós →Every word from Ancient Greek -σύνη →Every word from Ancient Greek εὐφροσύνη →