πρόπαππος
From LSJ
πάντες γὰρ οἱ λαβόντες μάχαιραν ἐν μαχαίρῃ ἀπολοῦνται → all they that take the sword shall perish with the sword
English (LSJ)
ὁ,
A great-grandfather, And.2.26 codd., Lys.14.39, Pl. Ti.20e. 2 grandfather, M.Ant.1.4.
German (Pape)
[Seite 738] ὁ, der vor dem Großvater vorhergeht, Urgroßvater; Plat. Tim. 20 e; Andoc. 1, 106.