a., s. f, Corrupted from the Arabic word Nadán. Foolish, simple, ignorant by reason of extreme youth; a foolish person, a child;—ad. Corrupted from the Hindi word Nidán. At length;—s. f. Diagnosis, nosology:—nadáṉ bát kare, siáṉá kiás kare. The foolish speak (a thing) and the wise ponder over it.—Prov.