ῥαιςτήριος

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.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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