Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
lānūgĭnōsus, a, um, adj. [lanugo], woolly, downy (Plinian): araneus, Plin. 29, 4, 27, § 85: vermiculus, id. 30, 15, 47, § 139: lanuginosa et aspera folia, id. 25, 8, 45, § 83.
Comp.: herba lanuginosior, Plin. 22, 20, 24, § 50.