ligustrare

ligustrare [cf. CL ligustrum] , to whiten. seviat aut estus, aut frigoris ira, caputque / alba ligustret hiems, nigra quod vaccinet [v. l. vacciniet] aestas [cf. Verg. Buc. II 18: alba ligustra cadunt, vaccinia nigra leguntur] Hanv. I 348.