πάλλαξ
From LSJ
ἀναπηδῆσαι πρὸς τὸν πάππον → jumped up on his grandfather's knees, sprang up into his grandfather's lap
English (LSJ)
ακος [prob. ᾱ], ὁ,
A youth, below the age of an ἔφηβος, Ael. Dion.Fr.172: fem., girl, Gell.4.3:—also πάλληξ, GDI5704.7 (Samos, iii/ii B. C.), Ar. Byz. ap. Ammon.p.37 V., Corn.ND20, Hsch.