πρέσβιστος
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)
η, ον, poet. Sup. of πρέσβυς,
A eldest, most august, most reverend, h.Hom.30.2, A.Th.390, S.Frr.582, 605; πρεσβίστα κόσμου μᾶτερ Lyr.Alex.Adesp.35.2; ἁ π. φιλοσοφία Ti.Locr. 104b; πόλις Sardis7(1).13: irreg. form πρεσβίστατος, η, ον, Nic.Th. 344.
German (Pape)
[Seite 698] superlat. zu πρέσβυς; H. h. 30, 2; Aesch. Spt. 372, der geehrteste; Scol. 23, Jac.; Tim. Locr. 97 e.