Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
The word fermentescere could not be parsed. Trying a normal dictionary lookup:
No entries found. Showing closest matches:
fermentesco, ĕre, v. inch. n. [fermentum] (lit., to ferment, to rise in fermenting; transf., of the earth), to swell, rise, become loose (Plinian): tellus quoque illo modo (i. e. ab nive diutius sedente) fermentescit, Plin. 17, 2, 2, § 15; 28, 8, 28, § 109.