αἰκίστρια
From LSJ
Τὸ μανθάνειν δ' ἥδιστον εὖ λέγοντος, εἰ κέρδος λέγοι → It is the sweetest thing to learn from one speaking well, if they speak profitably
English (LSJ)
ἡ (as if from a masc. αἰκιστής),
A she who tortures, Suid.
Greek (Liddell-Scott)
αἰκίστρια: «ἡ αἰκίζουσα», Ζωναρ. = ἡ κακοποιοῦσα.
Spanish (DGE)
-ας torturadora Sud.