παχνόω

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.