πτυάς
From LSJ
τὸν θάνατον τί φοβεῖσθε, τὸν ἡσυχίης γενετῆρα, τὸν παύοντα νόσους καὶ πενίης ὀδύνας → why fear ye death, the parent of repose, who numbs the sense of penury and pain
English (LSJ)
άδος, ἡ, (πτύω)
A spitter, a kind of asp, Hierocl.p.11 A., Gal. 14.235, Philum.Ven.16, interpol. in Porph.Abst.3.9.