παχνόω
From LSJ
Ὁ αὐτὸς ἔφησε τὸν μὲν ὕπνον ὀλιγοχρόνιον θάνατον, τὸν δὲ θάνατον πολυχρόνιον ὕπνον → Plato said that sleep was a short-lived death but death was a long-lived sleep
English (LSJ)
A congeal, solidify, Plu.2.396b :—Pass., ib.736a. b πεπαχνῶσθαι to be covered with rime, Gp.12.17.1. 2 metaph., strike chill, ἐπάχνωσεν φίλον ἦτορ made his blood curdle, Hes. Op.360 :— mostly in Pass., ἦτορ παχνοῦται his heart is cold and stiff [with grief], Il.17.112 ; παχνοῦσθαι πένθεσιν, λύπῃ, A.Ch.83 (lyr.), E.Hipp.803 : in later Prose, ἐπαχνώθη J.BJ 1.28.3.