ἀποκρυσταλλόομαι
From LSJ
αἱ μέν ἀποφάσεις ἐπί τῶν θείων ἀληθεῖς, αἱ δέ καταφάσεις ἀνάρμοστοι τῇ κρυφιότητι τῶν ἀποῤῥήτων → as concerns the things of the gods, negative pronouncements are true, but positive ones are inadequate to their hidden character
English (LSJ)
Pass.,
A become all ice, Sch.Il.23.281.
Greek (Liddell-Scott)
ἀποκρυσταλλόομαι: παθ., κρυσταλλώνω, παγώνω, Σχόλ. εἰς Ἰλ. Ψ. 281.