κλωπικός
From LSJ
αὐτὸν κέκρουκας τὸν βατῆρα τοῦ λόγου → you have struck the very threshold of the argument, you have struck the most important and chiefmost point
English (LSJ)
ή, όν,
A thievish, τὸ κ. v.l. for κλοπ- in Pl.Cra.408a. 2 stealthy, clandestine, βήματα, ἕδραι, E.Rh. 205, 512.
German (Pape)
[Seite 1458] diebisch, verstohlen, βήματα, ἕδραι, Eur. Rhes. 205. 512. Vgl. κλοπικός.