Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
ĭn-albesco, ĕre, v. inch. n., to become white or pale: venae inalbescunt, Cels. 2, 7 fin.; 5, 28: totum corpus cum pallore, id. 3, 24, 6; 5, 28, n. 1, 7.