Where does “Sostratus” come from?

Sostratus (English) comes from Latin Sōstratus, from Ancient Greek Σώστρατος, from Ancient Greek σῶς, from Proto-Hellenic *twáwos.

Ancestry of “Sostratus”, step by step

StepLanguageWordMeaning
1LatinSōstratus
2Ancient GreekΣώστρατος
3Ancient Greekσῶςsafe, sound, whole; safe, healthy, intact; safe...
4Proto-Hellenic*twáwos
Every word from Proto-Hellenic *twáwosEvery word from Ancient Greek σῶςEvery word from Ancient Greek Σώστρατος