צָרַף
From LSJ
Σοφῷ παρ' ἀνδρὶ (Σοφοῦ παρ' ἀνδρὸς) πρῶτος εὑρέθη λόγος → Apud sapientem inventa est ratio primitus → Bei einem weisen Mann fand man zuerst Vernunft
English (Strong)
a primitive root; to fuse (metal), i.e. refine (literally or figuratively): cast, (re-)fine(-er), founder, goldsmith, melt, pure, purge away, try.