εἰ δὲ τύχῃ τις ἔρδων, μελίφρον' αἰτίαν ῥοαῖσι Μοισᾶν ἐνέβαλε → if someone is successful in his deeds, he casts a cause for sweet thoughts into the streams of the Muses
ἐλλῐτάνευε: ἴδε λιτανεύω.
3ᵉ sg. impf. poét. de λιτανέω.