Κύριε, βοήθησον τὸν δοῦλον σου Νῖλον κτλ. → Lord, help your slave Nilos ... (mosaic inscription from 4th-cent. church in the Negev)
ἔστᾰσαν: эп. 3 л. pl. aor. 1 к ἵστημι.