ὀρείχαλκος
From LSJ
τὸν ἴδιον κίνδυνον ὑποθείς → at his own risk
English (LSJ)
ὁ, Lat.
A orichalcum (which by a false etym. was freq. written aurichalcum), mountain-copper, i.e. yellow copper ore, copper or brass made from it, h.Hom.6.9, Hes.Sc.122, Stesich.88, Ibyc. Oxy.1790.42, B.Fr.68 Bgk., Pl.Criti.114e, Arist.APo.92b22, Mir.834b25, Philostr.VA2.7,20; a mirror of it, Call.Lav.Pall.19 ; described by Theopomp. Hist.109 as a mixture of ψευδάργυρος and χαλκός. II as Adj., = foreg., Suid.