atricapillus
From LSJ
ἑτέρως ἠδύνατο βέλτιον ἢ ὡς νῦν ἔχει κατεσκευάσθαι → otherwise they could have been constructed better than they are now (Galen, On the use of parts of the body 4.143.1 Kühn)
atricăpillus: a, um, adj., = μελαγκόρυφος, μελάνθριξ,
I black-haired, Gloss. Lat. Gr.