οὖρος ὀφθαλμῶν ἐμῶν αὐτῇ γένοιτ' ἄπωθεν ἑρπούσῃ → let a fair wind be with her as she goes from my sight, let her go as quick as may be
Ar. and P. ἐπιγίγνεσθαι; see happen.