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
agrōsus: a, um, adj. ager,
I rich in land, Varr. L. L. 5, § 13 Müll.
agrosus agrosa, agrosum ADJ :: rich in land