lactesco — Lewis & Short
lactesco, ĕre,
I v. inch. n. [lacteo]. *
I To turn to milk:
omnis fere cibus matrum lactescere incipit,Cic. N. D. 2, 51, 128; Plin. 20, 21, 84, § 230 al.—
II To have milk for suckling, to become capable of giving suck:
asinae praegnantes continuo lactescunt,Plin. 11, 41, 96, § 237:
pectore,Aug. Ep. 150:
segetes facit lactescere,to become milky, Serv. Verg. G. 1, 315; v. 2. Lactans.