persenesco
per-sĕnesco, nŭi, 3,
- v. inch. n., to grow old anywhere (post-class.): ibi persenuit, Eutr. 1, 11.
persĕnēscō, nŭī, ĕre, intr. [employé au pf.], devenir très vieux : Eutr. 1, 11.