ē-mātūresco — Lewis & Short
ē-mātūresco, rŭi, 3,
I v. inch. n., to grow quite ripe, to come to maturity (very rare).
I In gen.:
semen,Plin. 25, 4, 17, § 36:
segetes,Gell. 2, 29, 7.—*
II Trop., to grow softer, be mitigated:
ira Caesaris,Ov. Tr. 2, 124.