πεντάκις
From LSJ
τοῖς οἰκείοις βουλεύμασιν ἁλίσκεσθαι → hoist by one's own petard, hoist with one's own petard, hoist on one's own petard, hoisted by one's own petard, be hoist with one's own petard
English (LSJ)
[ᾰ], Adv.
A five times, Pi.N.6.19, A.Pers.323, Ar. Pax242, Isoc.5.5 :—later πεντάκῐ, Opp.C.3.56, AP13.15, Iamb. in Nic.p.80 P., al.
German (Pape)
[Seite 556] adv., fünfmal; Aesch. Pers. 315 Pind. N. 6, 19 u. Folgde überall.