Where does “savete” come from?

savete (Middle English) comes from Old French sauveté, from Medieval Latin salvitas, from Latin salvus, from Proto-Italic *salawos, from Proto-Indo-European solh₂wós, from Proto-Indo-European sōlh₂- — mercy, comfort; comfort, mercy.

savete (Middle English): Safety, security; being unharmed or unharmable