ἐποστρακίζω
From LSJ
τὰ δὲ πεπερασμένα πεπερασμενάκις ἀνάγκη πεπεράνθαι πάντα → and the product of a finite number of things taken in a finite number of ways must always be finite
English (LSJ)
A send potsherds skimming over the water, play at ducks and drakes, EM368.3 : hence, ἐποστρᾰκ-ισμός, ὁ, Poll.9.119.