[2093] purpurāsco, ere (purpuro), purpurn werden, eine dunkelrote Farbe annehmen, mare purpurascit, Cic. Acad. lib. 2. fr. 7 Kays. u. Muell. (b. Non. 162, 29): vitis... purpurascere coepit, Vopisc. Flor. 4, 3.