G0931
βάσανος
torment
βάσανος, -ου, ὁ (of Oriental origin), [in LXX chiefly for כְּלִמָּה ,אָשָׁם, and frequently in 4Mac ;] __1. prop., touchstone, a dark stone used in testing metals. __2. examination by torture. __3. torment, torture: Mat.4:24, Luk.15:23, 28. † (AS)
Full Thayer's lexicon entry
βάσανος — básanos
βάσανος, βασάνου, ἡ (Curtius, p. 439);
a. the touchstone (called also basanite, LatinlapisLydius), by which gold and other metals are tested.
b. the rack or instrument of torture by which one is forced to divulge the truth.
c. torture, torment, acute pains: used of the pains of disease, Mat 4:24; of the torments of the wicked after death, ἐν βασάνοις ὑπάρχειν, Luk 16:23 (Wis 3:1; 4Ma 13:14); hence, ὁ τόπος τῆς βασάνου is used of Gehenna, Luk 16:28. (In Greek writings from (Theognis), Pindar down.)
3 occurrences
Matthew (1), Luke (2)