ψηφίον
From LSJ
ψυχῆς πείρατα ἰὼν οὐκ ἂν ἐξεύροιο πᾶσαν ἐπιπορευόμενος ὁδόν· οὕτω βαθὺν λόγον ἔχει → one would never discover the limits of soul, should one traverse every road—so deep a measure does it possess
English (LSJ)
τό, Dim. of ψῆφος,
A small pebble, gravel, Aq.Am.9.9; pellet, μέλιτος Orib.Fr.35 (pl.).