ex-ăcesco: ăcŭi, 3,I v. inch. n., to become sour (rare): ficus, Col. 12, 17, 1.
exăcēscō, cuī, ĕre, intr., devenir aigre, s’aigrir : Col. Rust. 12, 17.
ex-acēsco, acuī, ere, sauer werden, Col. 12, 17, 1.
exacesco, is, cui, cescere. n. 3. :: 漸酸