ἐκπήγνυμι
From LSJ
Ἔοικα γοῦν τούτου γε σμικρῷ τινι αὐτῷ τούτῳ σοφώτερος εἶναι, ὅτι ἃ μὴ οἶδα οὐδὲ οἴομαι εἰδέναι → I seem, then, in just this little thing to be wiser than this man at any rate, that what I do not know I do not think I know either
English (LSJ)
(
A -ύω Plu.2.978b), make stiff or torpid, l.c. ; esp. of frost, congeal, freeze, Thphr.CP5.14.2 :—Pass., become stiff, congeal, Str. 7.5.11 ; to be frozen, frost-bitten, Thphr.HP5.14.3.
German (Pape)
[Seite 772] (s. πήγνυμι), fest, dicht machen, erstarren machen; τῆς νάρκης δύναμιν οὐ μόνον τοὺς θιγόντας αὐτῆς ἐκπηγνύουσαν Plut. sol. an. 27; vom Salz, Strab. VII p. 317. Bes. vom Frost, Theophr.; – pass., gefrieren.