παππεπίπαππος
From LSJ
μὴ ἐν πολλοῖς ὀλίγα λέγε, ἀλλ΄ ἐν ὀλίγοις πολλά → don't say little in many words, but much in a few words (Stobaeus quoting Pythagoras)
English (LSJ)
ὁ, one's grandfather's grandfather, Nicopho 22, = Philonid.15.
German (Pape)
[Seite 466] ὁ, der Urgroßvater, Poll. 3, 18 aus Philonid. com. angeführt, aber als δεινῶς ἰδιωτικόν bezeichnet.
Greek (Liddell-Scott)
παππεπίπαππος: ὁ, ὁ τοῦ πάππου πάππος, Νικοφ. ἐν Ἀδήλ. 1· πρβλ. φαυλεπίφαυλος.