ῥαιστήριος
From LSJ
οὐ δικαίως θάνατον ἔχθουσιν βροτοί, ὅσπερ μέγιστον ῥῦμα τῶν πολλῶν κακῶν → unjustly men hate death, which is the greatest defence against their many ills | men are not right in hating death, which is the greatest succour from our many ills
English (LSJ)
α, ον,
A smashing, hammering, ῥ. ἱδρώς the blacksmith's sweat or toil, ib.2.28; ἄκμοσι . . ῥ. hammered upon the anvil, ib.5.153. II generally, destructive, pernicious, ῥ. φάρμακα, opp. ἐσθλά, A.R.3.803: c. gen., ῥ. φάρμακα θυμοῦ ib.790; νηῶν 4.921.
German (Pape)
[Seite 832] hämmernd; ἱδρώς, Schweiß der Schmiede beim Hämmern, Opp. Hal. 2, 28; Lycophr. 525; τὰ ῥαιστήρια, = ῥαιστῆρες, die Hämmer, Opp. Hal. 5, 153.