ἐλεγκ-τικός · elenk-tikos — LSJ
fond of cross-questioning or examining, Pl. Sph. 216b, etc.; ὁ ἐ. ἐκεῖνος that cross-questioner, Id. Tht. 200a; fond of reproving, critical, τῶν ἁμαρτανομένων Arist. Rh. 1381a31, cf. Longin. 4.1 (Sup.); ἐ. βίος Jul. Or. 6.191a. Adv. -κῶς X. Smp. 4.2, etc.: Sup., Luc. Demon. 55.
refutative, of indirect modes of proof such as the reductio ad absurdum, ἐνθυμήματα Arist. Rh. 1396b25. Adv. -κῶς Alex.Aphr. in Metaph. 272.32.
-κά, τά, means of detecting, πάθους Alex.Trall. 1.15.