κρύσταλλος
From LSJ
ἄνθρωπος ὢν ἥμαρτον· οὐ θαυμαστέον → being human I made a mistake; there is nothing remarkable about it
English (LSJ)
ὁ, (κρύος, κρυσταίνομαι)
A ice, Il.22.152, Od.14.477, Hdt. 4.28, S.Fr.149; κρύσταλλος ἐπεπήγει οὐ βέβαιος Th.3.23; ὁ παῖς τὸν κρύσταλλον prov., of persons who cannot keep a thing, but do not wish to let it go, Zen.5.58. 2 = νάρκη, numbness, torpor, Opp.H. 3.155. II rock-crystal, D.P.781, Str.15.1.67, Ael.NA15.8, etc.: also fem., AP9.753 (Claudian.): as Adj., οἱ κ. λίθοι D.S.2.52.