ἀρσενικόν
From LSJ
ξυνῆλθεν ἀτταγᾶς τε καὶ νουμήνιος → birds of a feather flock together, the francolin and the new-moon bird get together
English (LSJ)
τό,
A yellow orpiment, Arist.Pr.966b28, Thphr.Lap.40 (ἀρρεν-), Dsc.5.104, Str.15.2.14, Lyc. ap. Orib.8.25.15:—also ἀρρενική, ἡ, Gall.12.212. (Cf. Hebr. zarn[imacracute]q.)
German (Pape)
[Seite 361] τό, Arsenik, Galen.; auch ἀρσενίκιον, Arist. plant. 2, 4.