frăcesco — Lewis & Short
frăcesco, fracŭi, 3,
I v. inch. n. [FRACEO; v. fraces and FRACEBUNT], to become soft or mellow, to rot, spoil:
olea lecta si nimium diu fuit in acervis, caldore fracescit, et oleum foetidum fit,Varr. R. R. 55, 5 sq.; so,
oleum,becomes rancid, Col. 1, 6, 18: (terram cretosam) sinito quatriduum fracescat;
ubi bene fracuerit, rutro concidito,to become soft, tractable, Cato, R. R. 128.