πάππας
From LSJ
Κρεῖττον σιωπᾶν ἐστιν ἢ λαλεῖν μάτην → Silentium anteferendum est vaniloquentiae → Das Schweigen übertrifft vergebliches Geschwätz
English (LSJ)
ου, ὁ,
A papa, child's word for father; mostly in voc., πάππᾰ φίλε Od.6.57; χαῖρε π. φίλτατε Philem.42: in acc., πάππαν καλεῖν Ar.Pax120, Ec.645:—nom. πάπας, Corn.ND25, PGiss.80.3 (ii A. D.); acc. πάπαν BMus.Inscr.918 (Halic.); dat. πάπᾳ Epicur. Herc.176p.49V. (Syracusan, acc. to Eust.565.17, but πᾶς (which should prob. be πᾶ, for Eust. adds ὥσπερ καὶ μᾶ μήτηρ) is Syrac. acc. to EM651.7).