κύλισμα
From LSJ
ἀρετὰ γὰρ ἐπαινεομένα δένδρον ὣς ἀέξεται → for virtue that is praised grows like a tree, praised virtue will grow like a tree
English (LSJ)
ατος, τό,
A roll, Sm.Ez.10.13, Hippiatr.79, 117; κ. κανθάρου, ball of dung rolled by a beetle, PMag.Berol.1.223. II = κυλίστρα, Hippiatr.8; v.l. for sq., 2 Ep.Pet.2.22.