κρυσταλλόπηκτος
From LSJ
ἆρά γε λόγον ἔχει δυοῖν ἀρχαῖν, ὑλικῆς τε καὶ δραστικῆς → does it in fact have the function of two principles, the material and the active?
English (LSJ)
ον,
A congealed to ice, frozen, E.Rh.441:— also κρυσταλλο-πήξ, ῆγος, ὁ, ἡ, A.Pers.501.