mannus
From LSJ
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
Latin > French (Gaffiot 2016)
(1) mannus,¹³ ī, m., petit cheval, poney : Lucr. 3, 1063 ; Hor. O. 3, 27, 6 ; Ov. Am. 2, 16, 49.