A.turning of a suppliant (ἱκέτης) to a god or man to implore protection or purification, supplication, A.Eu.718 (pl.); λιταὶ καὶ π. Plu.2.560e: hence,
2. any address to a god, solemn invocation, “θεοὺς . . προστροπαῖς ἱκνουμένη” A.Pers.216, cf. E.Alc.1156, IG5(1).26.10 (Amyclae, ii/i B.C.); ἱκεσία ξένων π. E.Heracl.108 (lyr.); “π. καὶ ἀρὰν ὑπὲρ τούτων ἐποιήσαντο” Aeschin.3.110; θεᾶς ἔχω προστροπήν discharge the duty of ministering to the goddess, E.IT618; but πόλεως προστροπὴν ἔχειν address a petition to the city, S.OC558; of libations, A.Ch.85.