ἀμεθυστίζων
From LSJ
τὸ δὲ ποιεῖν ἄνευ νοῦ ἃ δοκεῖ καὶ σὺ ὁμολογεῖς κακὸν εἶναι: ἢ οὔ → but doing what one thinks fit without intelligence is—as you yourself admit, do you not?—an evil
Spanish (DGE)
-οντος
del color de la amatista Plin.HN 37.93, Isid.Etym.16.9.5.