πατραλοίας
From LSJ
τὸ λακωνίζειν πολὺ μᾶλλόν ἐστιν φιλοσοφεῖν ἢ φιλογυμναστεῖν → to behave like a Lacedaemonian is much more to love wisdom than to love gymnastics (Plato, Protagoras 342e6)
English (LSJ)
gen. α and ου, ὁ, voc. -αλοῖα : (άω) :—
A one who slays or strikes his father, parricide, Ar.Nu.911, 1327, Ra.274, Lys.10.8, Pl.Phd.114a, Sph.241d, etc. : as fem., Hld. 10.38 :—sts. written πατραλῴας or πατρολῴας( πατρ-λώας, πατρ-λόας) in codd., as 1 Ep.Ti. 1.9, J.AJ16.11.1.