ἐπιθειάζειν

From LSJ

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

Source

Greek > English (Woodhouse Verbs Reversed)

(see also: ἐπιθειάζω) call on the gods, invoke the gods, supplicate the gods

Lexicon Thucydideum

deos obtestari, to supplicate the gods, 2.75.1,
deprecari, to ward off by entreaty, 8.53.2 (de Alcibiade concerning Alcibides).