exacesco
ex-ăcesco, ăcŭi, 3,
- v. inch. n., to become sour (rare): ficus, Col. 12, 17, 1.
ex-acēsco, acuī, ere, sauer werden, Col. 12, 17, 1.
exăcēscō, cuī, ĕre, intr., devenir aigre, sʼaigrir : Col. Rust. 12, 17.