Figer.
srpski · nemački
To cause (a liquid) to change into a curdlike or semisolid state, not by evaporation but by some kind of chemical reaction; to curdle.
ETYM From Curd. 1. To go bad or sour. 2. To turn from a liquid to a solid mass. 3. To turn into curds, as of dairy products; SYN. clabber, clot.