permaturesco
From LSJ
Latin > English (Lewis & Short)
per-mātūresco: rŭi, 3,
I v. inch. n., to become quite ripe, to ripen fully: ubi pomum permaturuit, Ov. M. 4, 165; Cels. 2, 24.
Latin > French (Gaffiot 2016)
permātūrēscō, rŭī, ĕre, intr. [employé au parfait], parvenir à une entière maturité : Cels. Med. 2, 24 ; Ov. M. 4, 165.