Where does “Σωσθένης” come from?

Σωσθένης (Ancient Greek) comes from Ancient Greek σθένος, from English micro-, from Ancient Greek μικρο-, from Ancient Greek μικρός, from Proto-Indo-European mēy- — soft, tender, dear.

Ancestry of “Σωσθένης”, step by step

Σωσθένης traces back through two separate lines of ancestry.

via Ancient Greek σθένος

Step	Language	Word	Meaning
1	Ancient Greek	σθένος	strength, might, power
2	English	micro-	API; Very small; One millionth
3	Ancient Greek	μικρο-	micro
4	Ancient Greek	μικρός	little, small
5	Proto-Indo-European	mēy-	soft, tender, dear

via Ancient Greek σῶς

Step	Language	Word	Meaning
1	Ancient Greek	σῶς	safe, sound, whole; safe, healthy, intact; safe...
2	Proto-Hellenic	*twáwos	—

Every word from Proto-Indo-European mēy- →Every word from Ancient Greek μικρός →Every word from English micro- →