ὑπομέλας
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
English (LSJ)
μέλαινα, μέλᾰν,
A blackish, Hp.Epid.1.26.β, Gal.16.714, Aret.SD1.15.
German (Pape)
[Seite 1225] -μέλαινα, -μέλαν, etwas schwarz, schwärzlich, Sp.