σηλαγγεύς
From LSJ
Ἀναξαγόρας δύο ἔλεγε διδασκαλίας εἶναι θανάτου, τόν τε πρὸ τοῦ γενέσθαι χρόνον καὶ τὸν ὕπνον → Anaxagoras used to say that we have two teachers for death: the time before we were born and sleep | Anaxagoras said that there are two rehearsals for death: the time before being born and sleep
English (LSJ)
έως, ὁ,
A gold refiner, Agatharch.27,28; cf. σάλαγξ and σῆραγξ 11.
Greek (Liddell-Scott)
σηλαγγεύς: ὁ, χρυσωρύχος, ἐκμεταλλευόμενος χρυσόν, Ἀγαθαρχ. Περίπλ. Ἐρυθρ. Θαλάσσ. § 27, 28.