αἰκίστρια
From LSJ
καὶ τοσαύτῃ περιουσίᾳ χρήσασθαι πονηρίας → in the veriest extravagance of malice
English (LSJ)
ἡ (as if from a masc. αἰκιστής), she who tortures, Suid.
Spanish (DGE)
-ας torturadora Sud.
Greek (Liddell-Scott)
αἰκίστρια: «ἡ αἰκίζουσα», Ζωναρ. = ἡ κακοποιοῦσα.