βασανίζω
I. "to rub" gold "upon the touch-stone" (βάσανος), Plat.: hence, "to try the genuineness of" a thing, "to put to the test, make proof of", id=Plat.
II. of persons, "to examine closely, cross-question", Hdt., Ar.
2. "to question by applying torture, to torture", id=Ar.:—Pass. "to be put to the torture", for the purpose of extorting confession, Thuc.: "to be tormented" by disease or storm, NTest.