σακκίον
From LSJ
Νέος πεφυκὼς πολλὰ χρηστὰ μάνθανε → Dum floret aetas, disce, quod scitum decet → In jungem Alter lerne viel, was brauchbar ist
English (LSJ)
Att. σᾰκίον, τό, Dim. of σάκκος or σάκος,
A small bag, σ. θερμά poultices, Hp.Loc.Hom.39, cf. X.An.4.5.36, Ostr.Bodl. i 321 (ii B.C., -κκ-), Dsc.5.109; σακίον, ἐν οἷσπερ τἀργύριον ταμιεύεται a bag, such as those in which... Ar.Fr.328. 2 later, sackcloth, mourning, Men.544.4, J.AJ2.3.4, Plu.2.168d.