κυπειρίς
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
German (Pape)
[Seite 1534] ίδος, ἡ, eine Art κύπειρος, Nic. Al. 591, φιλοζώοιο κυπειρίδος ἠὲ κυπείρου.