שָׂרָה

From LSJ

Κύριε, βοήθησον τὸν δοῦλον σου Νῖλον κτλ. → Lord, help your slave Nilos ... (mosaic inscription from 4th-cent. church in the Negev)

Source

English (Strong)

a primitive root; to prevail: have power (as a prince).
the same as שָׂרַת; Sarah, Abraham's wife: Sarah.